Need to display code of a stored procedure, trigger, view or function? The system stored procedure sp_helptext prints the text of any unencrypted object.
SQL SERVER – Disadvantages (Problems) of Triggers
Triggers or stored procedures? The disadvantages (problems) of triggers I shared with my team: hard to see, hard to debug, and they can slow things down.
SQL SERVER – 2005 Retrieve Configuration of Server
To retrieve the full configuration of server options in SQL Server 2005, turn on show advanced options and run sp_configure. Change any option the same way.
Composite Keys: Match Complete Pairs Instead of Separate Lists
Composite keys need a complete pair match when the allowed values are defined together. I don’t split the components into independent lists. Doing so can admit combinations that were never allowed.
SQL SERVER – 2005 Explanation Left Semi Join Showplan Operator and Other Operator
What the Left Semi Join showplan operator means, along with Left Anti Semi Join, Right Anti Semi Join and other joins you see in a text execution plan.
A Quote of the Day From a Table, With No Repeats Until All Are Used
Build a quote of the day table that rotates without repeats, handles concurrent requests, and supports a stable date-based selection.
SQLAuthority News – T-Shirts in Action
Here are the SQLAuthority T-shirts in action. Thank you for the great response; they ran out fast, so leave your request and I will see what I can do.
SQL SERVER – 2005 Comparison EXCEPT operator vs. NOT IN
The EXCEPT operator returns distinct rows from the left query with no match on the right, just like NOT IN. Both give the same plan, but EXCEPT reads simpler.
What Is NULL in SQL Server? The Value That Isn’t a Value
NULL in SQL Server is not zero and not an empty string. It means the value is unknown, and that changes every comparison you write. Why equals never matches, the NOT IN trap that returns nothing, and where NULL is allowed to live.
Testing an Application for SQL Injection
Testing an application for SQL injection on a safe copy reveals response clues and unsafe query construction before repair.