Case Sensitivity

I am wondering if T SQL in SQL Server 2005 is case sensitive.I running am running a query in a stored procedure whchi compares a passed in value with that in a field in the database, as such, is their a need to do this

SELECT * FROM table WHERE UPPER(column_name) = UPPER(@.var)

or will this return the same results

SELECT * FROM table WHERE column_name = @.var

1) A default SQL Server installation is case insensitive, which means that SQL Server will not differentiate between upper and lower case characters/letters

2) T-SQL in also case insensitive.

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To see which type your database is, go into SQL Server Management Studio, right-click your database and choose Properties. Select 'General' on the left-hand side, and look at the Collation property (under the 'Maintenance' heading). Somewhere in the name of the property, you'll have either a CS or a CI, standing for Case Sensitive or Case Insensitive, respectively.

I.e., mine is "SQL_Latin1_General_CP1_CI_AS" (SQL Server 2000-compatible). The _CI_ denotes the database is case insensitive.

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