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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

T-SQL Stored Procedure Coding Guidelines

Transact-SQL (T-SQL) stored procedures should be treated just like reusable application code. You should follow these suggested guidelines to ensure that your stored procedures are solid and robust:

• Check all parameters for valid values and return an error message if a problem exists.

• Be sure that the parameter data types match the column data types they are compared against to avoid data type mismatches and poor query optimization.

• Check the @@error system function after each SQL statement, especially insert, update, and delete, to verify that the statements executed successfully. Return a status code other than 0 if a failure occurs.

• Be sure to comment your code so that when you or others have ...

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Publisher Resources

ISBN: 9780768696585Purchase book