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11 lip 2016 · I look for a working example where I can use mutliple when case statment wihch check to verify if a specific text is contained: e.g. SELECT ID, NAME, (SELECT (Case when Contains(Des...
Learn how to use the Oracle CASE expression to add if-else logic to SQL statements without calling a procedure. See the syntax and examples of simple and searched CASE expressions for different scenarios.
7 gru 2023 · How to use CASE for IF-THEN logic in SQL SELECT. If you want to see the grade for each exam, select the case expression like a regular column: It’s a good idea to give the expression an alias. This is particularly important if the case is in a subquery.
11 cze 2021 · I Want to write oracle sql cases with multiple conditions with multiple output values. For instance, Case. When A In(default, non default, Deliquent) Then ('dl_vint','lw_vint','hg_vint') Please provide sample data and desired results.
Is there a "better" way to rewrite a SELECT clause where multiple columns use the same CASE WHEN conditions so that the conditions are only checked once? See the example below.
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. If none of the WHEN... THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. Otherwise, Oracle returns null.
The syntax for the CASE statement in Oracle/PLSQL is: CASE [ expression ] WHEN condition_1 THEN result_1 WHEN condition_2 THEN result_2 ... WHEN condition_n THEN result_n ELSE result END Parameters or Arguments expression Optional. It is the value that you are comparing to the list of conditions.
