Search results
15 wrz 2008 · How do I perform an IF...THEN in an SQL SELECT statement? For example: SELECT IF(Obsolete = 'N' OR InStock = 'Y' ? 1 : 0) AS Saleable, * FROM Product
The IF...ELSE statement is a control-flow statement that allows you to execute or skip a statement block based on a specified condition. The IF statement. The following illustrates the syntax of the IF statement: IF boolean_expression . BEGIN . { statement_block } END Code language: SQL (Structured Query Language) (sql)
12 wrz 2022 · SQL ELSEIF and ELSE Condition. Like many other programming languages, T-SQL can pair the IF keyword with ELSE IF and ELSE to more easily check multiple mutually exclusive scenarios. When combined, the first statement must be a single IF statement. This can be optionally followed by one or more ELSE IF statements.
28 maj 2024 · The CASE statement acts as a logical IF-THEN-ELSE conditional statement. We can use it to perform conditional branching within the SELECT statement across various SQL databases , including SQL Server, MySQL, and PostgreSQL .
Conditions in SQL - IF / ELSE. Written by Andy Brown. In this tutorial. Syntax of a simple IF statement. Multiple IF conditions using ELSE. The importance of indentation. Example - using EXISTS to see if records exist. Example - using variables to compare two counts. CASE WHEN is nearly always better.
If the condition is true, the SQL statements within the BEGIN and END block will be executed. If the condition is false, the block will be skipped, and the execution will continue with the next statement. Let's explore some simple examples to understand how IF statements work in SQL.
26 maj 2024 · In SQL, the IF statement facilitates conditional execution, enhancing the ability to tailor queries based on specific criteria. This tutorial delves into the syntax, examples, and advanced usage of the IF statement, demonstrating its versatility in SELECT, UPDATE, and INSERT INTO statements.
