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-- calculate field using case stmt select case when (lower(po_size) like '%lb%') then cast((net_cost / total_weight) as decimal (13,4)) else cast((net_cost / line_quantity) as decimal (13,4)) end as newcst, * from #whse_line_item where po_num = 'l22411301' and item_num in('1730','1343');
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.
2 cze 2023 · The syntax of the SQL CASE expression is: CASE [expression] WHEN condition_1 THEN result_1. WHEN condition_2 THEN result_2 ... WHEN condition_n THEN result_n. ELSE result. END case_name. The CASE statement can be written in a few ways, so let’s take a look at these parameters. Parameters of the CASE Statement.
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.
28 cze 2023 · Here’s the general syntax for a simple case statement: CASE expression WHEN value1 THEN result1 WHEN value2 THEN result2 ... ELSE default_result END. With this syntax, if the expression matches value1, the result would be result1. If expression matches value2, the result would be result2, and so on.
3 wrz 2024 · CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as <select_list>, IN, WHERE, ORDER BY, and HAVING. Transact-SQL syntax conventions. Syntax. Syntax for SQL Server, Azure SQL Database and Azure Synapse Analytics.
