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15 wrz 2008 · From this link, we can understand IF THEN ELSE in T-SQL: IF EXISTS(SELECT * FROM Northwind.dbo.Customers WHERE CustomerId = 'ALFKI') PRINT 'Need to update Customer Record ALFKI' ELSE PRINT 'Need to add Customer Record ALFKI' IF EXISTS(SELECT * FROM Northwind.dbo.Customers WHERE CustomerId = 'LARSE') PRINT 'Need to update Customer Record LARSE ...
28 maj 2024 · In this article, we explored different options for executing IF-THEN logic in a SQL SELECT statement. These options include using CASE , IIF() , and CHOOSE() . Furthermore, if we want a query that’s used in almost every dialect, we must choose the CASE statement.
12 wrz 2022 · SQL IF Statement Basics. The IF statement is very simple to use. It works exactly like the WHERE clause of a SQL statement, only it isn't attached to a query. The keyword IF is followed by an argument or group of arguments combined with AND or OR keywords.
26 wrz 2023 · The IF...THEN statement in SQL is often used in conjunction with the CASE expression. The basic syntax goes like this: SELECT . column1, column2, ... CASE WHEN condition1 THEN result1. WHEN condition2 THEN result2. ... ELSE else_result. END AS alias_name. FROM . your_table; column1, column2, etc.:
30 paź 2023 · The SQL IF statement in SELECT queries is utilized to introduce conditional logic, allowing for more dynamic and flexible data retrieval. Essentially, it lets you specify conditions to dictate which data should be fetched or how it should be displayed.
30 lis 2019 · Instrukcję IF THEN ELSE w SQL Server możemy używać w T-SQL m. in. w blokach anonimowych, procedurach, funkcjach, triggerach. Składnia T-SQL If Then Else wygląda następująco: --tomaszkenig.pl. IF Boolean_expression_1. {...polecenie wykonywane, gdy warunek_1 jest spełniony - ma wartość TRUE...} [ ELSE IF Boolean_expression_2 .
IF DATENAME(weekday, GETDATE()) IN (N'Saturday', N'Sunday') SELECT 'Weekend'; ELSE SELECT 'Weekday'; For more examples, see ELSE (IF...ELSE) . Examples: Azure Synapse Analytics and Analytics Platform System (PDW)
