SQL Index Archives - Page 37 of 47 - SQL Authority with Pinal Dave

SQL SERVER – Reseed Identity of Table – Table Missing Identity Values – Gap in Identity Column

April 1, 2009

SQL Identity, SQL Index, SQL Scripts, SQL Server DBCC, SQL System Table

Some time ago I was helping one of my Junior Developers who presented me with an interesting situation. He had a table with Identity Column. Because of some reasons he was compelled to delete few rows from the table. On inserting new rows in the table he noticed that the…

SQL SERVER – 2008 – SCOPE_IDENTITY Bug with Multi Processor Parallel Plan and Solution

March 24, 2009

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Database, SQL Error Messages, SQL Identity, SQL Index, SQL Scripts

This article is very serious and I would like to explain this as simple as I can. SCOPE_IDENTITY() which is commonly used in place of @@Identity has bug when run in Parallel Plan. You can read my explanation of @@IDENTITY vs SCOPE_IDENTITY() vs IDENT_CURRENT in earlier article. The bug is…

SQLAuthority News – Ahmedabad User Group Meeting February 21 2009

February 23, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks, SQLAuthority News

MVP, SQL Index, SQL User Group, SQLAuthority Author Visit

We had Ahmedabad SQL Server User Group meeting on February 21, 2009 and it was wonderful to see so many people showing up for meeting. Gradually our group is growing and more and more developers and DBA are showing up. We had two session in this meeting. From the feedback…

SQL SERVER – My Observation – Effect of Clustered Index over Nonclustered Index

February 21, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Constraint and Keys, SQL Index, SQL Scripts

Note: This article is re-write of my previous article SQL SERVER – Observation – Effect of Clustered Index over Nonclustered Index. I have received so many request that re-write it as it is little confusing. I am going to re-write this with simpler words. Query optimization is one art which…

SQL SERVER – Disabling Indexes – Non Clustered Indexes

February 19, 2009

Pinal Dave

SQL Tips and Tricks

SQL Index, SQL Scripts, SQL Server, SQL Stored Procedure, SQL Utility

I came across a fantastic T-SQL script that offers an additional feature for changing the recovery mode while enabling and disabling indexes.

SQL SERVER – Technical Articles – Performance Optimizations for the XML Data Type in SQL Server 2005

February 11, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

Best Practices, MVP, SQL Index, SQL XML

I always wanted to learn XML and its usage. My friend and fellow MVP Jacob Sebastian is expert in XML, so if you are interested in XML please visit his blog here. If you are interested in performance optimization for XML Data type in SQL Server following article is must…

SQL SERVER – Introduction to Force Index Query Hints – Index Hint – Part2

February 8, 2009

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Constraint and Keys, SQL Index, SQL Scripts

In my previous article SQL SERVER – Introduction to Force Index Query Hints – Index Hint I have discussed regarding how we can use Index Hints with any query. I just received email from one of my regular reader that are there any another methods for the same as it…