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15 wrz 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. SELECT CAST ( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 END AS bit) as Saleable, * FROM Product. You only need to use the CAST operator if you want the result as a Boolean value.
The SQL CASE Expression. The CASEexpression 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. If no conditions are true, it returns the value in the ELSEclause.
13 cze 2021 · For SQL Server: CASE case-expression WHEN when-expression-1 THEN value-1 [ WHEN when-expression-n THEN value-n ... ] [ ELSE else-value ] END or: CASE WHEN boolean-when-expression-1 THEN value-1 [ WHEN boolean-when-expression-n THEN value-n ... ] [ ELSE else-value ] END expressions, etc:
Validate SQL Syntax, indicate the incorrect syntax errors if any. Plus SQL formatting tool to beautify SQL statements. Simply load the complex query text and click Validate.
EverSQL Validator is a free online SQL syntax checker for MySQL and PostgreSQL SQL statements. The validator will compile and validate SQL queries to report for syntax errors.
2 cze 2023 · What Does the SQL CASE Statement Do? The CASE statement allows you to perform an IF-THEN-ELSE check within an SQL statement. It’s good for displaying a value in the SELECT query based on logic that you have defined.
4 lis 2022 · The SQL CASE statement has the following syntax: CASE WHEN conditional_statement1 THEN result1 . . . . WHEN condition_statementN THEN resultN ELSE result END; When you use the CASE statement, it has to be followed by a WHEN and THEN the result if the first condition is met.
