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Level 16 Errors Can’t always be handled by User Code

by nsadmin | Aug 13, 2014 | Problems Solved

Problem: Level 16 Errors Can’t always be handled by User Code The Books-OnLine (BOL) is wrong.  It says that errors with Level 16  and below can be handled by user code.  In particular by examining @@Error.  Unfortunately, level 16 errors can not always be...

Retrieving a Random Record in SQL Server using udf_Num_RanInt

by Ian Bachman-Sanders | Aug 1, 2014 | Problems Solved, SQL coding, SQL Performance

This UDFs week solves a problem posed to me last week by a friend Gary.  Gary wants to select a random row from one of his tables and was hoping that SQL Server would have some support for this task. The idea of selecting a random row runs counter to the ideas that...

The Problem with User-Defined Functions (UDF) and a Solution

by andrew novick | May 22, 2014 | Problems Solved, SQL coding, Uncategorized, Videos

Download the sample script: Problem-Scalar-UDF-and-solution-andy-novick   and a PDF of the slides: The Problem with scalar UDFs and a solution – Andy Novick Or watch the video on Youtube:   User-Defined functions (UDF) have been around SQL Server since the...
“Software performance was our single biggest problem. We did everything we could do in-house to get the database running like it should and really needed some help. You quickly pinpointed problem areas and your setup, index and query recommendations greatly improved the software’s performance.”
Daniel J. Mc Intyre, Vice President
Management Computer Services, Inc.

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Latest SQL Tips:

Loading SQL Profiler trace (.trc) files into a table

Server traces can produce a large amount of trace data that is stored in multiple trace (.trc) files.

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Problem Solved:

Level 16 Errors Can’t always be handled by User Code

Although books-OnLine says that user code can handle errors with Level 16 and below, they sometimes end the connection.

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