Oracle case statement like
WebFeb 9, 2007 · Is it possible to use a SELECT statement within case For ex, SELECT CASE WHEN A1.COL1=B1.COL1 THEN SELECT A1.COL1, B1.COL1 FROM A1, B1 WHERE A1.COL1=B1.COL1 ELSE SELECT A1.COL1, C1.COL1 FROM A1,C1 WHERE A1.COL1=C1.COL1 END FROM A1,B1,C1; That is if A1.col1 matches B1.col1 then select … WebAug 7, 2024 · You're mixing up two ways of doing case. You either need: CASE WHEN THEN … or CASE WHEN THEN ... your query is malformed SELECT count (*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END )
Oracle case statement like
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WebOct 4, 2024 · case when statement with like - Oracle Forums SQL & PL/SQL case when statement with like user5716448 Oct 4 2024 — edited Oct 5 2024 Hi, Using 11.2.0.3 if … Web1 Answer. As an option, you can use (oracle 10g and above) regexp_like condition: -- sample of data SQL> with t1 (je_source, user_name) as ( 2 select 'Revaluation1', 'SCHE123' from dual union all 3 select 'Revaluation2', 'C-FABCD' from dual union all 4 select 'Revaluation3', 'C …
WebFeb 21, 2012 · 9. CASE () is basically a translator: it returns a value for a given set of conditions. The problem you have is that you are trying to force it to return a BOOLEAN … WebIn 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. If no condition is found to be true, …
Websimple_case_statement. selector. Expression whose value is evaluated once and used to select one of several alternatives. selector can have any PL/SQL data type except BLOB, … WebJun 9, 2024 · 1 Answer Sorted by: 1 A CASE expression can only return a value, not a fragment of a query. In order to parametrise which column should receive the value passed as an argument, you could try this approach:
WebIn 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. If no condition is found to be true, and an ELSE clause exists, Oracle returns else_expr. Otherwise, Oracle returns null.
WebCase is significant in all conditions comparing character expressions that the LIKE condition and the equality (=) operators. You can use the UPPER function to perform a case-insensitive match, as in this condition: UPPER (last_name) LIKE … howland boys basketball scheduleWebApr 27, 2004 · Oracle case statement basic syntax Oracle CASE expression syntax is similar to an IF-THEN-ELSE statement. Oracle checks each condition starting from the first condition (left to right). When a particular condition is satisfied (WHEN part) the expression returns the tagged value (THEN part). howland building solutionsWebEven in Oracle (and in fact in the SQL standard), CASE is an expression that returns a single value. It is not used for control of flow like it is in some other languages. Therefore, it can't be used to conditionally decide among multiple columns or other operations. howland bean warren ohioWebThe CASE statements supported by PL/SQL are very similar to the CASE expressions. Notice the statement is finished with the END CASE keywords rather than just the END keyword. The PL/SQL CASE statements are essentially an alternative to IF .. THEN .. ELSIF statements. They are control structures that conditionally call blocks of code. howland boys basketballWebNov 6, 2015 · 3 how can I use an alias like pop in a further case like in this example (Oracle database). select (select sum (ccs_pop) from rap4) as pop, case when pop+x=a+b+c then pop+x end as sum1, case when pop+y=d+e+f then pop+y end as sum2 from rap4 how land breeze occurWebJun 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. 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. Share howlandcapital.comWebFeb 9, 2007 · Is it possible to use a SELECT statement within case For ex, SELECT CASE WHEN A1.COL1=B1.COL1 THEN SELECT A1.COL1, B1.COL1 FROM A1, B1 WHERE … how land breeze is formed