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28 gru 2009 · How do I write an IF statement with multiple arguments in T-SQL? Current source error: DECLARE @StartDate AS DATETIME DECLARE @EndDate AS DATETIME SET @StartDate = NULL SET @EndDate = NULL IF (@StartDate IS NOT NULL AND @EndDate IS NOT NULL) BEGIN -- do some work END. It throws the following error: Incorrect syntax near the keyword 'AND'.
2 mar 2017 · If you are checking conditions against multiple variables then you would have to go for multiple IF Statements, Each block of code will be executed independently from other blocks. IF(@Var1 Condition1) BEGIN /*Your Code Goes here*/ END IF(@Var2 Condition1) BEGIN /*Your Code Goes here*/ END IF(@Var3 Condition1) BEGIN /*Your Code Goes here*/ END
3 wrz 2024 · Imposes conditions on the execution of a Transact-SQL statement. The Transact-SQL statement that follows an IF keyword and its condition is executed if the condition is satisfied: the Boolean expression returns TRUE. The optional ELSE keyword introduces another Transact-SQL statement that is executed when the IF condition isn't satisfied: the ...
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 · The keyword IF is followed by an argument or group of arguments combined with AND or OR keywords. An argument is a logical comparison that evaluates to either true or false. Some examples of an argument might be "@NumberValue < 1", "@TextValue ='Hello' " ,or "BooleanFunction ()".
This book walks you through your first steps in T-SQL (also known as Transact-SQL), which is the Microsoft SQL Server dialect of the ISO and ANSI standards for SQL. You’ll learn the theory behind T-SQL querying and programming and how to develop T-SQL code to query and modify data, and you’ll get an overview of programmable objects.
Chapter 1, “Background to T-SQL Querying and Programming,” provides a theoretical background of SQL, set theory, and predicate logic; examines the relational model and more; describes SQL Server’s architecture; and explains how to create tables and define data integrity.
