Pinal Dave - SQL Server Performance Tuning Expert

SQL SERVER – Download Feature Pack for Microsoft SQL Server 2005

May 27, 2007

Feature Pack for Microsoft SQL Server 2005 – February 2007 Download the February 2007 Feature Pack for Microsoft SQL Server 2005, a collection of standalone install packages that provide additional value for SQL Server 2005. I have listed all the stand alone packages here. Even though title says February 2007,…

SQL SERVER – 2005 Limiting Result Sets by Using TABLESAMPLE – Examples

May 27, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Function, SQL Random, SQL Scripts

Introduced in SQL Server 2005, TABLESAMPLE allows you to extract a sampling of rows from a table in the FROM clause. The rows retrieved are random and they are are not in any order. This sampling can be based on a percentage of number of rows. You can use TABLESAMPLE…

SQL SERVER – 2005 Replace TEXT with VARCHAR(MAX) – Stop using TEXT, NTEXT, IMAGE Data Types

May 26, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Datatype, SQL String

Yesterday, in Friday Afternoon team meeting. I was asked question by one of application developer “I am asked in new coding standards to use VARHCAR(MAX) instead of TEXT. Is VARCHAR(MAX) big enough to store TEXT field?” Well, I realize that I was not clear enough in my coding standard. It…

SQL SERVER – 2005 Find Table without Clustered Index – Find Table with no Primary Key

May 26, 2007

Pinal Dave

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

SQL Index, SQL Scripts

One of the basic Database Rule I have is that all the table must Clustered Index. Clustered Index speeds up performance of the query ran on that table. Clustered Index are usually Primary Key but not necessarily. I frequently run following query to verify that all the Jr. DBAs are…

SQL SERVER – Change Default Fill Factor For Index

May 25, 2007

Pinal Dave

SQL Performance

SQL Advanced Option, SQL Index, SQL Scripts, SQL Server

SQL Server has default value for fill factor is Zero (0). The fill factor is implemented only when the index is created; it is not maintained after the index is created as data is added, deleted, or updated in the table. When creating an index, you can specify a fill factor to leave extra gaps and reserve a percentage of free space on each leaf level page of the index to accommodate future expansion in the storage of the table’s data and reduce the potential for page splits. Let us learn about how to change default fill factor of index.

SQL SERVER – Stored Procedure to display code (text) of Stored Procedure, Trigger, View or Object

May 25, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Scripts, SQL Stored Procedure, SQL Trigger, SQL View

This is another popular question I receive. How to see text/content/code of Stored Procedure. System stored procedure that prints the text of a rule, a default, or an unencrypted stored procedure, user-defined function, trigger, or view. Syntax sp_helptext @objname = 'name' sp_helptext [ @objname = ] 'name' [ , […

SQL SERVER – Disadvantages (Problems) of Triggers

May 24, 2007

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Trigger

One of my team member asked me should I use triggers or stored procedure. Both of them has its usage and needs. I just basically told him few issues with triggers. This is small note about our discussion. Disadvantages(Problems) of Triggers It is easy to view table relationships , constraints,…