What is the diff between Static Queries and Dynamic queries
give me some examples
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Answer Posted / manoj
Static Queries are permanent and cannot be changed during run-time, like: "SELECT * FROM Employees"
Dynamic Queries can be changed during run-time as they are created by using variables and these variables contain parts of SQL Query, like:
DECLARE @SQL VARCHAR(MAX)
DECLARE @WHENSQL VARCHAR(2000)
DECLARE @SEARCHSQL VARCHAR(500)
SELECT @WHENSQL = 'EmployeeID'
SELECT @SEARCHSQL = '100'
SELECT @SQL = 'SELECT * FROM Employees WHERE ' + @WHENSQL + ' = ' + @SEARCHSQL
EXEC (@SQL)
-- or
EXEC sp_executesql @SQL
For more interview Questions on SQL Server: http://sqlwithmanoj.wordpress.com/interview-questions/
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