Oracle case in where clause Technical questions should be asked in the appropriate category. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Sep 30, 2016 · I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. Instead, you need to create logical groupings of OR/AND to combine the BETWEEN with the other matching condition from your case. It's old Oracle syntax that is sometimes preferred by people who learned it first, since they like that it makes their code shorter. Oracle SQL Case Statement in Where Clause. Apr 17, 2016 · Example (from here):. In your case, I think the clearest code is if you just rewrite it a bit: Jun 30, 2016 · Something isn't right in this Your using the case in the where clause but I don't think that's where you want it. type_id = 27) end But I am getting the following error: ORA-00907: missing right parenthesis. MONDAY_YN = 1 then insert the next 3 mondays, if r. Oracle PL SQL CASE in WHERE clause. The advantage would be that you can change the data in the table easier than changing all of the queries that have that case statement. Dynamic Column on SQL doesn't work (APEX,Interactive Report) Hot Network Questions @Aleksej: OP should select the answer that best suited his needs. plsql conditional where clause. Rate)AS MaximumRate FROM HumanResources. 5 days ago · CASE Statement in the WHERE Clause. Multiple conditions in oracle case statement. 1022. for example. Ignore some conditions Oracle SQL CASE statement gives you the flexibility to use sql IF ELSE logic in a SELECT, WHERE and JOIN clause. 5. I have a table with the below data, SELECT DEPT_NO, DEPT_NAME FROM SORTNG_LOGIC; DEPT_NO DEPT_NAME Oct 20, 2013 · The CASE statement is evaluated in order, so if any "case" is true then every case after it is ignored. Because of this, the optimizer will just use a table Oracle PL SQL CASE in WHERE clause. Oracle Database uses short-circuit Oct 25, 2017 · I'm trying to avoid dynamic sql. The where clause requires a condition or sets of conditions that are true or false for a given set of data. I need to check a value from a parameter, and depending on it, apply the right clause. EmployeePayHistory AS ph1 ON e. I gather what you want is logic along the lines of: - If ass_line = '551F', then match any values for assembly line in ('551F','551C','551S') Try writing the where clause this way: WHERE (T2. e. oracle where clause with case when. CASE WHEN <condition> THEN <return expression> These are the 'simple' and 'searched' variants in the docs. 7 WHEN 'D+' THEN 1. select * from cardimport where STATUS = CASE WHEN STATUS = '' THEN 'F' ELSE STATUS END The problem with the case (as you have written it) is that Oracle does not treat the value from a logical expression as a valid value. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Mar 31, 2009 · If each case only allows one column, then you probably need two cases: select col1,col2, case when col3='E01089001' then (select 1 from dual) else (select 2 from dual) end, case when col3='E01089001' then (select 3 from dual) else (select 4 from dual) end from Table1 where col1='A0529'; Aug 28, 2013 · case is an expression, not a predicate (i. COL1 AND COL2 in ('A', 'B') AND COL4 IN (SELECT COL3 FROM TB4 WHERE COL1 = TB4. The syntax for the CASE statement in the WHERE clause is shown below. You need to establish some condition such that the value returned by the CASE statement can be evaluated. I do the same for the business_unit column with a second CASE statement. Create Procedure( aSRCHLOGIC IN Varchar, aPARTSTRP IN VarChar ) Declare sLogic VARCHAR(100) := aSRCHLOGIC; sPartStrp VARCHAR(100); BEGIN SELECT * FROM parts p WHERE ( Case sLogic WHEN (sLogic = 'begins') THEN (p. id if the value passed as a parameter has value. So, in the first usage, I check the value of status_flag, returning 'A', 'T' or null depending on what it's value is, and compare that to t. When Oracle builds an execution plan it is able to use bind variables like constants, and choose a different plan based on the input. 00 OR MAX(CASE WHEN Gender = 'F' THEN ph1. Like procedure samp (pId number, pValue varchar, details out T_cursor) is begin Open details for Select id, No,Name from tbl1 where. COMPARE_TYPE <> 'A' AND T1. Thanks! – Sep 22, 2015 · If that's the case, then it seems logical that they would have the ability to reformat the In clauses before they get put into the Case expression. How to use case Mar 9, 2012 · Oracle with CASE Statement in WHERE clause. LIBRARYTRANSID=LIB. Rate ELSE NULL END) > 42. To match these requirements I tried to make use of the SELECT CASE WHEN clause in the SQL statement as follows: Mar 21, 2012 · As you can see i am unsure as to how to handle the case statement inside of the where clause. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Feb 9, 2024 · Oracle - Case in where clause. type_id = 29) else (sale. SE Oct 16, 2008 · The problem with this is that when the SQL engine goes to evaluate the expression, it checks the FROM portion to pull the proper tables, and then the WHERE portion to provide some base criteria, so it cannot properly evaluate a dynamic condition on which column to check against. Basically what i am trying to do is if the start day is Saturday and the end day is Sunday, then add 10080(one week) to the end offset/vend offset and if it does not meet that condition, then use the original values. In you first version you have. ] Jul 11, 2005 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. COMPARE_TYPE = 'A' AND T1. There, it may be utilized to alter the data fetched by a query based on a condition. Apr 1, 2021 · Most applications store a wide variety of text such as names, addresses, and descriptions. One of the multiple ways of writing this would be: Mar 10, 2013 · But, there are no other criteria in the WHERE clause so, with a case-insensitive index on (lastname, firstname), the best you could hope for from the statement you posted is a Full Fast Scan on the index. A REGEXP_LIKE will do a case-insensitive regexp search. Oct 25, 2016 · Oracle Case in WHERE Clause with multiple conditions. IssuedTo='BO' AND LBT. Case expression in where clause PL/SQL. Case will not conditionally chose the evaluated code. Oct 10, 2008 · hello all, Is that possible a case in a where clause? i'm using oracle10g and toad v9. SomeIDNumber AS "Id", from TABLEA ); Sep 7, 2021 · If you use a CASE expression such as: AND d1. Jul 22, 2021 · As well as if it is possible to nest a CASE-statement into the WHERE clause? Here is the logic of m SQL statements: I have seen some related topics, but they were not helpful. Jan 21, 2017 · In this case (if it's really DATE data type) the where condition should be. Apr 4, 2018 · BEGIN CASE TO_CHAR(SYSDATE, 'DAY', 'NLS_DATE_LANGUAGE=ENGLISH') WHEN 'MONDAY' THEN And you could use if instead of case here - either works but with only one value being checked you probably aren't gaining much from using case in this example. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Jun 24, 2014 · Oracle - Case in where clause. with tmp as ( select 'Oracle' as field_name , 1 as data from dual union all select 'Oracle' as field_name , null as data from dual union all select NULL as field_name , null as data from dual union all select 'Test' as field_name , null as data from dual ) Select * from tmp Where 1 = case when field_name = 'Oracle' and data is null then 0 else 1 end Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. op = 2 and case when (:stat = -11) then (sale. SELECT product_name, list_price, CASE category_id WHEN 1 THEN ROUND (list_price * 0. Oracle does not need to materialize inner queries before applying outer conditions -- Oracle will consider transforming this query internally and push the predicate down into the inner query and will do so if it is cost effective. The CASE statement can be used in Oracle/PLSQL. You are missing smth - see IN after END Replace 'IN' with '=' sign for a single value. Feb 1, 2018 · The FETCH FIRST clause is available only as of Oracle 12c, though. Apr 3, 2019 · The problem with your current approach is that the predicate of a CASE expression (i. Jan 22, 2014 · I am trying to execute a query in Oracle database. DATE_INSERTED, 'DD') = TO_CHAR(:DATEINPUT-1, 'DD') ELSE IF TO_CHAR(:DATEINPUT, 'DAY') = 'SUNDAY' THEN WHERE . LIBRARYTRANSID THEN 1 ELSE 0 END`enter code here`select * from Tran_LibraryBooksTrans LBT left join Tran Feb 24, 2020 · For the query below, I'm trying to pull a specific date range depending on the current day of the month. Otherwise Jul 11, 2016 · Oracle SQL CASE expression in WHERE clause only when conditions are met. "2/7/2020") then I want the date range for January. Case Statement on Multiple conditions in Oracle. How to write a case statement in the Where clause of Oracle SQL? Mar 13, 2015 · To keep it simple I would go for union clause in this case, so you can have your where clause as complex as you need. vehicle_id ELSE d1. SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' WHEN 'SYSTEM' THEN 'The owner is SYSTEM' ELSE 'The owner is another value' END FROM all_tables; Oracle Database 23c extended CASE expressions in PL/SQL to support dangling predicates in simple CASE expression. If it comes empty I don't want to compare and avoid the 'AND' line Or try another approach:). 3. status. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. something like select Oct 9, 2013 · select * from Tran_LibraryBooksTrans LBT left join Tran_LibraryIssuedBooks LIB ON case WHEN LBT. Create Procedure( aSRCHLOGI Feb 19, 2020 · In this case, I just want to filter things. state_cd in (:stateCode)) then 1 else 0) end = 1; Alternatively, remove the case entirely: Dec 7, 2023 · How to use CASE in the WHERE clause. Oracle CASE expression has two formats: the simple CASE expression and the searched CASE expression. Using case inside where clause. If the @UserRole variable value = 'Analyst', then the SupervisorApprovedBy column value must be NULL. Both formats support an optional ELSE clause. 05, 2) -- CPU WHEN 2 THEN ROUND (List_price * 0. e condition) : it 'returns' a typed value and can not contain predicate as result (in the then parts). Commented Dec 20, Case on where clause ORACLE. Feb 22, 2011 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. SOME_TYPE LIKE 'NOTHING%') OR (T2. Jan 12, 2015 · does anyone know whats wrong with this nested select statement? It complains about missing )'s but i can't understand why it doesn't work (i have left off the other bits of the statement) Select ( Jan 29, 2014 · According to Oracle's documentation linked to in the answer, "To write a query that performs an outer join of tables A and B and returns all rows from A (a left outer join), use the LEFT [OUTER] JOIN syntax in the FROM clause, or apply the outer join operator (+) to all columns of B in the join condition in the WHERE clause. you can do it differently like this : Apr 2, 2020 · Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. Aug 20, 2008 · I had played around with using the CASE statement in the where clause to sql more dynamic but had also run into the same problem with needing multiple values returned for the in. Sep 25, 2012 · CASE <expression> WHEN <comparison expression> THEN <return expression> or. 4. The below is my sample query: 1 SELECT * FROM dual 2 Feb 26, 2016 · The problem is that Oracle evaluates the SELECT after the WHERE clause. ColumnName != '' is equivalent to e. Apr 7, 2010 · Depending on which side of the "=" the "(+) is on, it denotes a LEFT OUTER or a RIGHT OUTER join (in this case, it's a left outer join). As your answer (correctly) points out, OP doesn't need a CASE expression in the WHERE clause. Otherwise, Oracle returns null. However, my CASE expression needs to check if a field IS NULL. Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. – Ishamael Commented Oct 16, 2012 at 23:08 Oct 13, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. PL/SQL Using CASE in WHERE clause. Jun 7, 2016 · Rather than putting the data in a case statement where you might have to repeat that case statement in more than one query, you could create a table with static data, then joint to that table. Another way to use the Case Statement is within the WHERE clause. Thanks – ronan Feb 19, 2018 · WHERE clause in cursor - means SQL language (the cursor is defined in a PL/SQL block, but the cursor definition is a plain SQL SELECT statement). May 5, 2015 · If you want to use case, then you need to return a value and do a comparison: (CASE order_date > sysdate and fee_rate_type in ('REGULAR', 'BONUS') then 1 order_date <= sysdate and FEE_RATE_TYPE in ('REGULAR') then 1 END) = 1 However, I would encourage you not to use case in a where clause. In your case (assuming else -1 means 'no match') : AND g = CASE strfldvar WHEN 'BROKEN_ARROW' THEN x WHEN 'BROKEN_BOX' THEN y ELSE NULL -- never match, even if g is null END Aug 8, 2016 · The alias can be used in the ORDER BY clause, but not other clauses in the query. I have written the following query and in this condition i can't use in clasue. But as you can't use like in the first version, you need the second: CASE WHEN CONTACTS. If it's the 20th or less (e. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Example. Basically, the following code is what I want, but it's not the Oracle correct syntax. Ask Question Asked 10 years, 8 months ago. There should be no performance hit. The query has case construction in where clause. My answer runs far afield of that, and gives an explanation as to why Oracle is balking at OP query (finding a condition where it expects a value and a value where it expects a condition. type_id = 27 or sale. I tried to put it in case statement but it didn't work. What I have written above is one way to refactor your logic in a way that should work on Oracle. Oracle (SQL Statements) - Using CASE with WHERE CLAUSE. Aug 4, 2020 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. In addition: Don't use commas in the from clause. I have a column gap_value if the user sends a parameter 'P' then I need to fetch gap_value>0 else if 'N' it should be gap_value<0. You can definitely use case constructs in a where clause but you must know Aug 6, 2013 · I have to write a query which have dynamic where clause. com. If no condition is found to be true, and an ELSE clause exists, then Oracle returns else_expr. COL1 = '12345' AND (TB2. BusinessEntityID GROUP BY JobTitle HAVING (MAX(CASE WHEN Gender = 'M' THEN ph1. May 25, 2009 · I need help in a query using case statements in where clause. NEXT_DATE IS NULL; can be written in another way I mean since It is using both AND and OR Operators on the same column . 0. NEXT_DATE = V_NEXT_BUSINESS_DATE OR F. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. In the absence of ordered_predicates, Oracle uses the following steps to evaluate the order of SQL predicates: Feb 10, 2017 · Oracle, for example can do WHERE (Field1, Field2) = ('a', 'b') but MySQL can't. Ask Question Asked 7 years, Your format is probably mm-dd-yy in this case. 3 WHEN 'B' THEN 3 WHEN 'B-' THEN 2. 13. – I'm working in Oracle's APEX environment, trying to return all values in one case and specific values in another case. Mar 24, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. using case when then variable allows you to use complex/compound conditions that case when doesn't. [That typical approach is to supply the list as a string or xml, convert that into a data-set using a function, and then join on to that data-set. Hot Network Questions Two columns tables Confusion regarding the US notion related to Pakistan's missile program There is no true or false SQL keyword, for sure, but 'a' = 'a' evaluates to a boolean value, without the use of Y/N or 0/1. Jun 7, 2016 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. GRP_ID = CASE ? WHEN 0 THEN A. 1. SOME_TYPE NOT LIKE 'NOTHING%') Share Apr 24, 2007 · I want to use the CASE construct after a WHERE clause to build an expression. val(+) = 'test' Note that in both cases, I'm ignoring the c table since you don't specify a join condition. id = b. 00) ORDER BY Feb 27, 2019 · I see this a lot too. Dec 20, 2019 · It's generally better to use AND/OR constructions instead of case expressions in the WHERE clause. LIBRARYTRANSID THEN 1 when LBT. Tried a whole host of methods using STRAGG and in-list functions but kept running into limitations Thanks for showing how I can do dynamic where clauses without using pl/sql. if seems like you just want to format the date Your not actually comparing the end date to anything which is where you're missing something (it is expecting there result of your case statement to be compared to something) Jun 8, 2016 · Good day Stackoverflow! I have a query that is giving me an error: "Missing Right Parenthesis", at least, so says SQL Developer. TUESDAY_YN = 1 then insert next 3 tuesdays, etc. . These work like regular simple CASE expressions - you have a single selector. In the case, I will check if the Operator is equal, greater than or less than. TELEPHONE_NO_DAY LIKE '07%' THEN CONTACTS. 3 WHEN 'D' THEN 1 WHEN 'D-' THEN 0. There is a major, major difference between using a CASE expression and boolean expressions in the WHERE clause. If you run into performance problems you may want to use dynamic SQL or ensure that the static SQL is correctly using FILTER operations. 2) Keep my CASE statement with your SELECT 1 FROM JOBS J WHERE J. GRP_ID ELSE ? END And Decode works in a similar fashion, although I think it's less readable. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. type_id = 28 or sale. – Jeffrey Kemp Sep 9, 2011 · I have a standard search clause whereby I'm selecting records on certain filters such as description and status, the status values being 101 to 110. where sale. The WHERE clause specifies a search condition for rows returned by the SELECT statement. CASE s. depending on one of the input parameter. Jan 17, 2020 · Is it possible to change the where condition (using case statement) based on certain variable? For example May 16, 2017 · Never forget that in Oracle SQL the '' literal (empty string) is the same as NULL, hence your predicate e. In a searched CASE expression, Oracle searches from left to right until it finds an occurrence of condition that is true, and then returns return_expr. For example, the Olympic data set stores athlete names in this format: FAMILY NAME, Given Names To find all the people who have Barry for any of their names, you can upper (or lower) case the column and search string: Aug 7, 2022 · THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. I want to use the CASE construct after a WHERE clause to build an expression. Oracle Case in WHERE Clause with multiple conditions. customer_id = pcustomer_id. SELECT * FROM a, b WHERE a. Jan 26, 2011 · This is because a DATE column in Oracle also contains a time part. vehicle_given = 'YES' THEN d2. CASE statement is only valid in PL/SQL; plain SQL does not have CASE statements, only CASE expressions. SELECT WORK_ORDER_NUMBER, SUM(CASE WHEN STOCK_CODE LIKE 'xxxx' THEN STOCK_QUANTITY ELSE 0 END) AS TOTAL FROM Table GROUP BY WORK_ORDER_NUMBER; Feb 20, 2013 · Since COL1 IN (COL1) is the same as true, you can rewrite your query like this:. Mar 24, 2011 · the SQL statement is not written correct. Select CASE SQL Dec 30, 2016 · The idea is great, but add Z4/C to the data and you'll see the flaw. partnum LIKE sPartStrp||'%') For example, you can use the CASE expression in statements such as SELECT, UPDATE, or DELETE, and in clauses like SELECT, WHERE, HAVING, and ORDDER BY. Using CASE in WHERE clause in Oracle 12c. 7. select * from student where (cast (nvl(linerevnum,'0') as int)) = 1 liner Nov 18, 2015 · For Saturday or Sunday I'd need to get Friday's data. Jun 21, 2018 · E. 31. But this can't be done in oracle SQL. 7 WHEN 'C+' THEN 2. x. No, Oracle can't use boolean expressions as results from functions. Moreover, case and where are two different things. Or you can slap the case expression directly in the where clause, like so: Oct 20, 2016 · The equals/in has to go after the end of the case. If budgpost is really a character column as is stated, then we have to assume that a non-numeric value might make its way into one of the In clauses. COL1))) AND ROWNUM = 1; Jun 23, 2020 · A short time ago we were introduced the incredibly useful and versatile Case Statement. rating > p_rating or b. 7 WHEN 'F' THEN 0 ELSE Oct 30, 2017 · Here is the query that you can use. Using SELECT inside COALESCE. vehicle_id END Then when the ELSE condition is matched you will effectively end up with AND d1. 7 WHEN 'B+' THEN 3. vehicle_id = d1. Problem using multiple CASE in WHERE clause. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. Same execution time. You can either put your query in a subselect: SELECT gpaScore FROM (SELECT ( CASE grade WHEN 'A+' THEN 4 WHEN 'A' THEN 4 WHEN 'A-' THEN 3. 08, 2) -- other categories END discount FROM products Jan 14, 2016 · Oracle tries to filter the number of records to be scanned from table by going for the where clause first before select that is why your query fails. USE AdventureWorks2008R2; GO SELECT JobTitle, MAX(ph1. IssuedTo='SM' AND LBT. case when Nov 30, 2021 · I want to write a query - to cover a case :- where I want to check if any misc value present for a code_id (a input vairable) if not then use code_id as default value (i. Feb 2, 2017 · They are different uses of a case statement. If so, then use b. ex: select * from table WHERE 1 = CASE WHEN channel = 1 AND REGEXP_LIKE Jul 26, 2020 · Oracle case inside where clause. – MarkF. The following illustrates the syntax of the WHERE clause: Jan 17, 2020 · Hello Tom Is it possible to change the where condition (using case statement) based on certain variable? For example var T varchar2(1) exec :T := 'E'; var E number; exec :E := 7788; var N varchar2(20) exec :N := 'MILLER'; select empno, ename from emp where -- how to use case statement to vary the condition based on :T -- if :T = 'E' then the condition should be where empno = :E -- and if :T Since web search for Oracle case tops to that link, I add here for case statement, Using Case When Clause in Where Clause. Modified 10 years, 8 months ago. vehicle_id. Most likely the developer has got into the habit of wrapping nullable columns in an nvl expression, probably after being burned in the past by an unexpected null value, and now adds it everywhere without bothering to think it through, or perhaps without having really understood the issue in the first place. Aug 17, 2010 · Hi All, I'm on oracle 10gr2. I knew that we can use case in a select statement. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. – jarlh. Rate ELSE NULL END) > 40. if the flag is Yes then i want all the id where the column name is not null. – Nov 16, 2015 · You can do the same thing using Oracle's syntax as well but it gets a bit hinkey. Jun 23, 2009 · As I had written in title, I have SQL query, run on Oracle DB, lets say: SELECT * FROM TABLE WHERE TABLE. Create Procedure( aSRCHLOGI Nov 28, 2014 · You just need to make both comparisons in the same case statement: and dep_dt = case when to_char( SysDate, 'D' ) <> '2' and dep_dt <= SysDate then dep_dt else SysDate end Mar 14, 2013 · The CASE statement evaluates multiple conditions to produce a single value. The following query uses the CASE expression to calculate the discount for each product category i. “CASE” statement within “WHERE” clause in SQL Server 2008; Nested case statements vs multiple criteria case statements; Case statement in WHERE clause in SQL Server Jun 16, 2017 · Here is a correct way to use CASE in the WHERE clause. As an additional input, although it does not relate to this thread, you can also aggregate your case statements without mentioning it in the group by clause. This is working Oracle example but it should work in MySQL too. When searching on these values, often you want any matching letter – case is irrelevant. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Aug 11, 2015 · The Oracle CASE expression (like DECODE) returns a value, but by itself it is not a predicate which can evaluate to TRUE or FALSE. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Feb 21, 2012 · CASE() is basically a translator: it returns a value for a given set of conditions. Actually I am passing a value in a procedure according to the value i have to select fields in where clause. The Oracle case expression is one place in Oracle SQL where Boolean values are used (as conditions, not results), similar to where clause conditions. See Oracle docs Searched case expression vs case expression. id(+) AND b. SELECT empno, ename, job FROM scott. The searched CASE expression allows multiple comparisons using multiple variables. WHERE Clause in Depending on each weekday attribute in table ROUTINE a case statement should be used, that checks if r. Oct 17, 2012 · But i would like to use the decode on the whare clause. rating = p_rating or b. Feb 12, 2014 · You can apply the logic you are attempting, but it is done without the CASE. 1) LEFT JOIN the JOBS table and then use your CASE statement. Ultimately what method you choose is dependent on your individual circumstances; the main thing to remember is that to improve performance you must index correctly for case-insensitive searching. COURSE_SCHEDULED_ID WHEN IS NULL THEN which will throw "ORA-00936: missing expression" because IS NULL is a condition, not a value or expression. Summary: in this tutorial, you will learn how to use the Oracle WHERE clause to specify a condition for filtering rows returned by a query. Kindly guide me how can i return multiple parameters from case clause. Hot Network Questions Cookie cutter argument for nonphysicalism Jul 11, 2013 · This is a simple question, I've read some details about using CASE in WHERE clause, but couldn't able to make a clear idea how to use it. Dec 29, 2014 · A case expression returns a value of any datatype except for boolean that could be compared to another value. what follows THEN or ELSE) has to be a literal value and not a logical expression. SQL "case when" query. I thought logic such as below would work. Replace your row_number clause with rank() over (partition by col1 order by case when col2 = 'A' then 1 else 2 end) as rn in order to solve it. , CPU 5%, video card 10%, and other product categories 8%. Col1 AND TB2. If you aren't familiar with APEX, it uses low-code to produce a front-end page that is data driven; this case uses a dropdown to select from a list, and I'm comparing that list selection to values pulled from my database. This won't work because BOOLEAN is not a valid SQL data type. For older versions use: SELECT * FROM ( SELECT * FROM t_config_rule WHERE rule = 'IND' OR rule IS NULL ORDER BY rule NULLS LAST ) WHERE ROWNUM = 1; or number the rows with ROW_NUMBER and keep the first row: SELECT * FROM ( SELECT r. end; In where clause i want Oct 29, 2013 · How to convert string field and use for Where clause. BusinessEntityID = ph1. The CASE expression matches the condition and returns the value of the first THEN clause. Case your column and your string identically. You can look to the case as a value, so you have to put an operator between the case and the other operand. Use table aliases that are abbreviations for the table names. The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. Second problem is that you are trying output a boolean value from your CASE. And I'm assuming that you don't really want to join A to B and then generate a Cartesian product with C. Does anybody have any idea what the correct syntax should be like? Aug 1, 2017 · I have a WHERE clause that I want to use a CASE expression in. As you're checking whether the result of the case statement is the same as the ELSE clause then the statement is the same as the opposite of all other conditions. You would need to use an inner query, something like: select "Id", case "Id" when 3 then 'foo' else 'bar' end AS "Results" from ( select TABLEA. The problem you have is that you are trying to force it to return a BOOLEAN value. Using if condition in the Select statement. Jan 7, 2014 · Case on where clause ORACLE. NAME Like 'IgNoReCaSe' If I would like, that the query would return either "IGNORECASE May 2, 2018 · There are valid uses of a CASE in a WHERE clause, especially to force Oracle to run one predicate before another (eg check a string only contains digits before doing a TO_NUMBER on it ) – Gary Myers Mar 22, 2011 · There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group May 5, 2012 · In my WHERE Clause IS the AND F. Here my code DECLARE CURSOR cur_contact_without_media (pP Sep 1, 2017 · I wrote this oracle procedure to return a rows of data. g. In almost all databases, it comes down to "the optimizer understands boolean expressions". COL3 FROM TB1, TB2 WHERE TB1. I am confused on how to exclude one of the conditions in WHERE clause if it evaluates to NULL SELECT TB1. LIBRARYTRANSID THEN 1 WHEN LBT. SQL SELECT WHERE field contains words. SELECT * FROM TABLE1 WHERE P1 IS NULL OR COL1 IN (SELECT ID FROM TABLE2); In general, the CASE/WHEN/END clause can be used only in the "projection" part of a SELECT; you need to use the "regular" boolean expressions In the WHERE clause. Oct 11, 2021 · Oracle PL SQL CASE in WHERE clause. ID_DOC = D. You can write the where clause as: where (case when (:stateCode = '') then (1) when (:stateCode != '') and (vw. So then you might think you could do: Aug 1, 2011 · Here's my queries, they don't work but I want to do something like this : SELECT a_field FROM a_table WHERE AND CASE WHEN a_value_from_another_query IS NULL THEN a_second_field IS NULL ELSE Jun 16, 2014 · Oracle case inside where clause. emp WHERE (CASE WHEN job = 'MANAGER' THEN '1' WHEN job = 'CLERK' THEN '2' ELSE '0' END) IN (1, 2) Oct 12, 2016 · Case when X=1 and Y=2 And between Date- 4months Then '1' When X =2 and Date(Year/month)- 4monthsDate Then '2' END ) AS Flag GROUP BY MONTHOFDATE oracle-database case-when. TELEPHONE_NO_DAY ELSE Aug 31, 2021 · I am trying to write a "case" statement inside a "where clause" which has an "in" statement in the "then" part. Always use proper, explicit join syntax. Both perform good. Aug 4, 2017 · Oracle timestamp with timezone in where clause issue. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Mar 27, 2012 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. select * from Users where Regexp_Like (User_Name, 'karl|anders|leif','i') This will be executed as a full table scan - just as the LIKE or solution, so the performance will be really bad if the table is not small. I tried to guess your table structure from above comment, let's see this example: SQL> create table employees (emp_id number, admin_user number, project_id number); Table created. Employee AS e JOIN HumanResources. Some databases do, but not Oracle. Note: same CASE statement is used in PL/SQL blocks. COL3 = (SELECT MIN(TB3. Am getting exception like this please help to find the wrong thing. You can express this as simple conditions. How can I do it? Sep 24, 2015 · The ordered_predicates hint is specified in the Oracle WHERE clause of a query and is used to specify the order in which Boolean predicates should be evaluated. Each WHEN clause may contain a comparison condition and the right-hand side of the formula. My query has a CASE statement within the WHERE clause that takes a Sep 10, 2021 · The CASE statement returns a "column value" that cannot be evaluated as a WHERE CONDITION itsef, but you can use it as a value 1 or 3 depending on sysdate, and then use this value in the filter condition: Oct 2, 2018 · (1) you can't use a case statement anywhere in a sql query; (2) you can use a case expression anywhere in a sql query where an expression is allowed, including the select and where clauses. ACCOUNT = 545 AND A. vehicle_id = CASE WHEN d1. The result of the to_date() function is a date with the time set to 00:00:00 and thus it probably doesn't match any rows in the table. Moreover, your query would have never returned rows with department - "Accounts or Unknown" because of the filter Department="SALES" Try below instead, that will be easy to be fetched by Engine : Feb 6, 2012 · Case on where clause ORACLE. ColumnName != null which always evaluates to NULL. Then filter it in the outer query. Introduction to Oracle WHERE clause. This is because CASE is designed to return a value, rather than to dynamically construct the SQL inside it. IF TO_CHAR(:DATEINPUT, 'DAY') = 'SATURDAY' THEN WHERE . Best not to use it though, for readability's sake. Case expression inside a where clause - Oracle. Nov 20, 2015 · Both solutions works well. 3 WHEN 'C' THEN 2 WHEN 'C-' THEN 1. Status may be null, if so I return records of any May 22, 2021 · Yes. Jan 11, 2016 · I am facing difficulty in understanding oracle(12c) sql order by clause with case statement. CASE WHEN <condition> THEN <return expression> your query is malformed. Jan 16, 2015 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Below is query I am trying to make work using a case statement See you below SELECT * FROM tabela WHERE coluna IN (CASE WHEN 1 = : Oracle - Clause where in case when. IssuedTo='SN' AND LBT. Oracle date comparison in where clause. CASE expressions require that they be evaluated in the order that they are defined. You could use the CASE statement in a SQL statement as follows: (includes the expression clause). customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. In that blog, we employed the Case Statement as most DBAs and developers do, in the SELECT clause. Jul 6, 2015 · I have a codition in which i need to use multiple parameters in where clause using Conditional operator. Aug 20, 2019 · The option type = '1' is common in both cases so you can leave it out of the CASE statement (also because it would be syntactically wrong to try to return 2 values from the CASE statement): where type = '1' and status = case when carName = :P_PARAMETER then 'N' else 'Y' end UPDATE. if :P21_TYPEID value is 1 then in where clause it should be PARENTID_1 in (10,11) otherwise PARENTID_1 = :P21_TYPEID. e OTH). COL4) FROM TB3 WHERE COL1 = TB2. 1, 2) -- Video Card ELSE ROUND (list_price * 0. Jan 3, 2014 · Oracle doesn't treat Boolean expressions like other expressions — it handles them as syntax rather than as a type — so CASE expressions can't evaluate to Booleans. Date format in where clause-Oracle. ID_DOC withount joining the JOBS table. Ask Question Asked 11 years, 3 months ago. COL1 = TB2. rating < p_rating, correspondingly in the SQL. – Justin Cave Aug 19, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Viewed 14k times 0 I know i could probably accomplish Jun 8, 2015 · You can use a case: SELECT (columns list) FROM AGREEMENT A WHERE A. AND TO_CHAR(Q. I want to use as: when pcustomer_id IS NULL then WHERE c. lhuem azzjr xra woz tqroml wuiv ywqli xxdcp tlet secl
Oracle case in where clause. I want to use as: when pcustomer_id IS NULL then WHERE c.
