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15 Δεκ 2012 · IF() in MySQL is a ternary function, not a control structure -- if the condition in the first argument is true, it returns the second argument; otherwise, it returns the third argument. There is no corresponding ELSEIF() function or END IF keyword.
28 Μαΐ 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.
10 Μαρ 2024 · This tutorial explains the usage of MySQL IF and IF ELSE Statements in Select queries or functions with syntax and practical examples.
21 Αυγ 2024 · MySQL IF-THEN-ELSE Statement: When the condition checks to be TRUE, the statements between IF-THEN and ELSE execute. On the other hand, the statements (else-statements) between the ELSE and END IF execute. Syntax: IF condition THEN. statements; ELSE. else-statements; END IF; Parameters Used:
15 Σεπ 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 ...
This tutorial shows how to use the IF / ELSE / END IF syntax followed by the alternative SELECT CASE syntax. For all but the simplest conditions the SELECT CASE format will give code which is easier to write, comment and understand.
5 Φεβ 2023 · The ElseIf is added to an existing If statement. ElseIf tests if a condition is met ONLY if the previous conditions have not been met. In the previous example we tested if a cell value is positive. Now we will also test if the cell value is negative with an ElseIf:
