There are times where you need to write a single TSQL statement that is able to return different TSQL expressions based on the evaluation of another expression. When you need this kind of functionality you can use the CASE expression or IIF function to meet this requirement. In this article I...
Getting Started with the SQL Server T-SQL CASE Expression Statement March 15, 2022• T-SQL SQL Server CASE expression is very useful in returning an output based on some conditional matching... Read More → How to Use SQL Server T-SQL Function SUM: 5 Use Cases September 08, 2021•...
-- Expression in a SELECT statement<expression>::={ constant |scalar_function| column | variable | ( expression ) | {unary_operator} expression | expression {binary_operator} expression } [COLLATEWindows_collation_name]-- Scalar Expression in a DECLARE , SET , IF...ELSE , or WHILE statemen...
SSRS Switch Case Default Value SSRS Switch Expression for Background Color Not Working SSRS switch statement is evaluating every also the conditions that are not true SSRS take leading Zero out from a number SSRS Temporary Report Snapshot Files do not seem to be purged SSRS time difference ssr...
1.Select case statement 2.Case when and else 3.CASE: return a specified value based on a set of business logic 4.Use CASE in the UPDATE statement 5.'Case when' statement in a procedure 6.Case when NULL 7.Case when with Mod and ABS() ...
Examples The simple way to use the INSERT INTO statement to add a new record to the created table is providing the values in constant format, where the values will be provided for all NULL and NOT NULL columns, except for the auto-generated columns, in the correct order for the columns ...
SomeALTER DATABASEstatements (for example,SET CONTAINMENT) might transiently fail, for example during the automated database backup or right after a database is created. In this caseALTER DATABASEstatement should be retried. For more information on related error messages, see theRemarks section. ...
CASE— Run a set of commands based on a predicate (not to be confused with CASE expressions). IF… ELSE— Perform conditional flow control. ITERATE— Restart a LOOP or WHILE statement. LEAVE— Exit a server code module such as stored procedure, function, ...
The two hyphens in front of a line indicate that the line is a comment and the text is ignored by the compiler. In this case, the comment describes a permissible variation of the syntax.Insert data into a tableExecute the following statement to insert a row into the Products table that ...
Fully functioning examples and downloadable source code bring Coles' technically accurate and engaging treatment of Transact–SQL into your own hands. Step–by–step explanations ensure clarity, and an advocacy of best–practices will steer you down the road to success. Pro T–SQL 2008 Programmer'...