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26 lip 2013 · In this situation you can use ISNULL() function instead of CASE expression . ISNULL(B.[STAT], C.[EVENT DATE]+10) AS [DATE]
11 lip 2012 · CASE WHEN (ID IS NULL) THEN 'YES' ELSE 'NO' END AS ID_Value, I only have access to 2008 right now, but I'd hope that this syntax would still work in 2005 (seems like something that would be part of the original definition of CASE).
The SQL CASE Expression. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result.
2 cze 2023 · Table of Contents. What Does the SQL CASE Statement Do? SQL CASE Statement Syntax. Parameters of the CASE Statement. Simple and Searched CASE Expressions. Examples of the CASE Statement. CASE Statement Frequently Asked Questions. There Is No IIF or IF in Oracle. Procedural Languages Have an IF Statement. Conclusion.
IF(conditional_expression, value_under_true_condition, value_on_false_condition); The IF function looks at the truth of the conditional expression and, depending on this truth, returns either the value passed in the second argument or the third argument.
27 sty 2017 · You can use either CASE structure to do this, but you can't call a function if you use the CASE fieldname WHEN approach, so you can either use CASE WHEN fieldname condition: CASE WHEN color = 'black' THEN 'b'. WHEN color = 'red' THEN 'r'. WHEN color IS NULL THEN 'empty'. else 'n/a'.
16 sty 2024 · Understanding CASE WHEN Syntax. Basic Syntax: CASE WHEN THEN. CASE WHEN THEN ELSE. Multiple THENs in CASE WHEN. Examples of Using CASE WHEN in Data Analysis. Example 1: Categorizing Data. Example 2: Handling NULL Values. Example 3: Creating Aggregated Columns. Example 4: Marketing Analysis. Example 5: Customer Segmentation.
