December 2001
Intermediate to advanced
800 pages
17h 55m
English
Content preview from Guru's Guide to SQL Server™ Stored Procedures, XML, and HTML, TheBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Errors
The @@ERROR automatic variable returns the error code of the last Transact-SQL statement. If there was no error, @@ERROR returns zero. Because @@ERROR is reset after each Transact-SQL statement, you must save it to a variable if you wish to process it further after checking it.
If you want to write robust code that runs for years without having to be reengineered, make a habit of checking @@ERROR often in your stored procedures, especially after data modification statements. A good indicator of resilient code is consistent error checking, and until Transact-SQL supports structured exception handling, checking @@ERROR frequently is the best way to protect your code against unforeseen circumstances.
Error Messages
The system procedure sp_addmessage ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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