Case in where clause oracle CASE WHEN <condition> THEN <return expression> your query is malformed. I'm working in Oracle's APEX environment, trying to return all values in one case and specific values in another case. 3 WHEN 'B' THEN 3 WHEN 'B-' THEN 2. column1 when b. Basically, the following code is what I want, but it's not the Oracle correct syntax. 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. 7 WHEN 'B+' THEN 3. The following illustrates the syntax of the WHERE clause: SELECT select_list FROM table_name WHERE search_condition ORDER BY sort_expression; Code language: SQL (Structured Query Language) (sql) The WHERE clause appears after the FROM clause but before the Feb 24, 2020 · For the query below, I'm trying to pull a specific date range depending on the current day of the month. rating > p_rating or b. 1022. 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. SQL "case when" query. Because of this, the optimizer will just use a table Sep 7, 2021 · If you use a CASE expression such as: AND d1. vehicle_id = CASE WHEN d1. com. 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. Below is query I am trying to make work using a case statement Oct 20, 2013 · The CASE statement is evaluated in order, so if any "case" is true then every case after it is ignored. No, Oracle can't use boolean expressions as results from functions. 3. The CASE expression matches the condition and returns the value of the first THEN clause. If you object to any changes, you may request that your account be closed by contacting oracle-forums-moderators_us@oracle. 0). column1 is not null then a. The syntax for the CASE statement in the WHERE clause is shown below. SOME_TYPE NOT LIKE 'NOTHING%') Share 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. column2 is not null then a. Both formats support an optional ELSE clause. accounting_dt i have added case but it is throwing exception. column1,b. ColumnName != '' is equivalent to e. Your continued use of Oracle Communities 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. for example. 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. You can write the where clause as: where (case when (:stateCode = '') then (1) when (:stateCode != '') and (vw. If none of the conditions are true, it returns the value of the ELSE 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. See Oracle docs Searched case expression vs case expression. dimension) is null then 0 else sum (f. 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) 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: 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. If none of the WHEN THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. 7 WHEN 'C+' THEN 2. You can express this as simple conditions. IssuedTo='BO' AND LBT. Dynamic Column on SQL doesn't work (APEX,Interactive Report) Hot Network Questions Mar 27, 2012 · These changes document Community specific rules and Oracle’s content moderation practices including use of automated tools, appeals process, and Oracle’s contact details. rating < p_rating, correspondingly in the SQL. 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. – jarlh. “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 Oct 10, 2008 · hello all, Is that possible a case in a where clause? i'm using oracle10g and toad v9. I want to use as: when pcustomer_id IS NULL then WHERE c. Create Procedure( aSRCHLOGI 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. column1,a. – Jan 7, 2014 · i am having an issue in the where clause of this select. vehicle_id END Then when the ELSE condition is matched you will effectively end up with AND d1. dimension) end as total_dimension, d. May 16, 2017 · Never forget that in Oracle SQL the '' literal (empty string) is the same as NULL, hence your predicate e. rating = p_rating or b. vehicle_given = 'YES' THEN d2. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. Case your column and your string identically. 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 Feb 6, 2012 · Case on where clause ORACLE. Feb 20, 2013 · Since COL1 IN (COL1) is the same as true, you can rewrite your query like this:. Then filter it in the outer query. Mar 22, 2011 · There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes. Note: same CASE statement is used in PL/SQL blocks. 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. Otherwise Feb 9, 2024 · Oracle - Case in where clause. 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. IssuedTo='SN' AND LBT. column2,a. In the case, I will check if the Operator is equal, greater than or less than. vehicle_id ELSE d1. customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. This won't work because BOOLEAN is not a valid SQL data type. 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 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. COMPARE_TYPE <> 'A' AND T1. Sep 1, 2017 · I wrote this oracle procedure to return a rows of data. Aug 17, 2010 · Hi All, I'm on oracle 10gr2. 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 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. Here my code DECLARE CURSOR cur_contact_without_media (pP Aug 31, 2021 · I am trying to write a "case" statement inside a "where clause" which has an "in" statement in the "then" part. 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 17, 2010 · Hi All, I'm on oracle 10gr2. 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. I want to use the CASE construct after a WHERE clause to build an expression. Sep 29, 2010 · I want to use Case statement in where clause for Example Select a. Commented Dec 20, Case on where clause ORACLE. LIBRARYTRANSID THEN 1 WHEN LBT. I knew that we can use case in a select statement. Status may be null, if so I return records of any Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. SOME_TYPE LIKE 'NOTHING%') OR (T2. I need to check a value from a parameter, and depending on it, apply the right clause. Technical questions should be asked in the appropriate category. insert_date Oct 25, 2016 · Oracle Case in WHERE Clause with multiple conditions. COMPARE_TYPE = 'A' AND T1. Jun 23, 2009 · As I had written in title, I have SQL query, run on Oracle DB, lets say: SELECT * FROM TABLE WHERE TABLE. Using CASE in WHERE clause in Oracle 12c. 7 WHEN 'F' THEN 0 ELSE Mar 14, 2013 · The CASE statement evaluates multiple conditions to produce a single value. create or replace force view v_documents_list ( id_doc, attachments_count, total_dimension, insert_date, id_state, state, id_institute, institute, hasjob ) as select d. please let me know how to do it. NAME Like 'IgNoReCaSe' If I would like, that the query would return either "IGNORECASE Feb 26, 2016 · The problem is that Oracle evaluates the SELECT after the WHERE clause. oracle where clause with case when. ColumnName != null which always evaluates to NULL. This is because CASE is designed to return a value, rather than to dynamically construct the SQL inside it. Apr 24, 2007 · 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. g. Select CASE SQL Oct 13, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. 13. state_cd in (:stateCode)) then 1 else 0) end = 1; Alternatively, remove the case entirely: where (:stateCode = '') or ((:stateCode != '') and vw. 0. May 22, 2021 · Yes. something like select MISC_FLAGS from systemcode where rec_type = 'C' and code_type = 'SAN' and CODE_ID = 'HT'; 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. customer_id = pcustomer_id. I tried to put it in case statement but it didn't work. In almost all databases, it comes down to "the optimizer understands boolean expressions". column2 from tableb) b where (Case when b. 7 WHEN 'D+' THEN 1. 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. Feb 12, 2014 · You can apply the logic you are attempting, but it is done without the CASE. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. column2 = b. 0000 EST', 'dd-mm-yy hh24:mi:ss. 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. x. Oct 9, 2013 · select * from Tran_LibraryBooksTrans LBT left join Tran_LibraryIssuedBooks LIB ON case WHEN LBT. The searched CASE expression allows multiple comparisons using multiple variables. partnum LIKE sPartStrp||'%') In a simple CASE expression, Oracle Database searches for the first WHEN THEN pair for which expr is equal to comparison_expr and returns return_expr. 2. Case Statement on Multiple conditions in Oracle. Create Procedure( aSRCHLOGI 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. Jun 21, 2018 · E. LIBRARYTRANSID THEN 1 ELSE 0 END`enter code here`select * from Tran_LibraryBooksTrans LBT left join Tran @Aleksej: OP should select the answer that best suited his needs. . Viewed 14k times 0 I know i could probably accomplish The WHERE clause specifies a search condition for rows returned by the SELECT statement. Does anybody have any idea what the correct syntax should be like? Oct 25, 2017 · I'm trying to avoid dynamic sql. ACCOUNT = 545 AND A. 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 : Oct 30, 2017 · Here is the query that you can use. The problem you have is that you are trying to force it to return a BOOLEAN value. e OTH). Modified 10 years, 8 months ago. Second problem is that you are trying output a boolean value from your CASE. state_cd in (:stateCode)); Or, even better: 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. if :P21_TYPEID value is 1 then in where clause it should be PARENTID_1 in (10,11) otherwise PARENTID_1 = :P21_TYPEID. 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. depending on one of the input parameter. Apr 24, 2007 · I want to use the CASE construct after a WHERE clause to build an expression. 1. Hot Network Questions Cookie cutter argument for nonphysicalism Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. ex: select * from table WHERE 1 = CASE WHEN channel = 1 AND REGEXP_LIKE 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. status. Otherwise, Oracle returns null. for the field b. "2/7/2020") then I want the date range for January. select business_unit, project_id, integration_tmpl, nvl (sum (case when analysis_type = 'act' then summed_amts end), 0) - nvl (sum (case when analysis_type = 'cls' then summed_amts end), 0) - nvl (sum (case when analysis_type Dec 20, 2019 · It's generally better to use AND/OR constructions instead of case expressions in the WHERE clause. There is a major, major difference between using a CASE expression and boolean expressions in the WHERE clause. vehicle_id. Aug 4, 2017 · I have the following sql query with select * from MY_TABLE MY_COL >= to_timestamp_tz('08-03-17 07:25:00. 0. 3 WHEN 'C' THEN 2 WHEN 'C-' THEN 1. Instead, you need to create logical groupings of OR/AND to combine the BETWEEN with the other matching condition from your case. SQL SELECT WHERE field contains words. id_doc, count (f. If it's the 20th or less (e. CASE expressions require that they be evaluated in the order that they are defined. I do the same for the business_unit column with a second CASE statement. using case when then variable allows you to use complex/compound conditions that case when doesn't. case when Oracle PL SQL CASE in WHERE clause. GRP_ID ELSE ? END And Decode works in a similar fashion, although I think it's less readable. The below is my sample query: 1 SELECT * FROM dual 2 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 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. LIBRARYTRANSID=LIB. As your answer (correctly) points out, OP doesn't need a CASE expression in the WHERE clause. id_file) as attachments_count, case when sum (f. 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 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. 3 WHEN 'D' THEN 1 WHEN 'D-' THEN 0. In your case, I think the clearest code is if you just rewrite it a bit: Sep 30, 2016 · I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. column3 from Table a, (Select distinct b. Hot Network Questions Why am I not seeing continuity between MC cable sheathing and ground wires? 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. My query has a CASE statement within the WHERE clause that takes a Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. GRP_ID = CASE ? WHEN 0 THEN A. IssuedTo='SM' AND LBT. Since web search for Oracle case tops to that link, I add here for case statement, Using Case When Clause in Where Clause. vehicle_id = d1. 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. – Jeffrey Kemp Jun 8, 2015 · You can use a case: SELECT (columns list) FROM AGREEMENT A WHERE A. How can I do it? Jun 26, 2023 · The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. column1 = b. If so, then use b. Jul 11, 2016 · Oracle SQL CASE expression in WHERE clause only when conditions are met. Oracle SQL CASE statement gives you the flexibility to use sql IF ELSE logic in a SELECT, WHERE and JOIN clause. column2) Thanks for your help Feb 2, 2017 · They are different uses of a case statement. 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. ff TZR') and MY_COL <;= to_timestamp_tz('08-03-17 0 Nov 20, 2015 · i'm using the following query to create a view in oracle 11g (11. 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. Ask Question Asked 10 years, 8 months ago. LIBRARYTRANSID THEN 1 when LBT. khy rfsh beuyo oll ltvvdont tvks vpodq xwuu xygr mzzlavcsf