SQL Server General DBA

Usage of SQL Server Database Snapshots

Introduction If you needed to analyse a database at a given time, what would you do? For example, say you wanted to analyse a database at 12:00PM, how would you do this? Most probably, you would create a schedule to create a backup at 12:00 PM and then restore the database into a database server giving it another name. Then […]

Creating Custom Reports for SSMS

With the release of SQL Server 2005 SP2, Microsoft added a new feature to SQL Server called “Custom Reports”. ). These RDL files are rendered as tabbed documents within SSMS. Reporting Services reports are rendered without even having Reporting Services installed. This new feature allows DBAs to extend the reporting capabilities within SSMS. In this […]

Importing Poorly Formatted Text Files using SSIS

Introduction Handling text files from SQL Server Integration Service (SSIS) is not new and I am not going to discuss about importing well formatted text files. There are many occasions when database developers must import text files which are not properly formatted. I will discuss three methods of doing this. For these situations we are […]

Data Cleansing with SSIS

What is Data Cleansing ? Data cleansing (or ‘data scrubbing’) is detecting and then correcting or removing corrupt or inaccurate records from a record set. After cleansing, a data set will be consistent with other similar data sets in the system. The inconsistencies detected or removed may have been caused by different data dictionary definitions […]

Isolation Levels in SQL Server

Isolation Levels Isolation levels come into play when you need to isolate a resource for a transaction and protect that resource from other transactions. The protection is done by obtaining locks. What locks need to be set and how it has to be established for the transaction is determined by SQL Server referring to the […]

SSIS Package Configuration in SQL Server 2005

Introduction If you are working on SQL Server Integration Service (SSIS) packages, it is highly unlikely that you are working in the production environment directly. Alternatively, you might be working in the development environment and later deploying to the production environment. Apart from these environments, you normally have testing and staging environments as well. For […]

A Look at Microsoft SQL Server Upgrade Advisor

Microsoft SQL Server Upgrade Advisor tool helps the user with the process of upgrading SQL Server 2000 (or 7.0) instances to SQL Server 2005. It analyzes the configuration of installed SQL Server 2000 (or 7.0) components and generates reports. The reports give an idea of the issues that will hinder the upgrade process. The user […]

Server System Architecture, 2007 (Preliminary)

The original article in this series was published in 2002 and covered Pentium III and Pentium III Xeon systems. I had prepared an update in 2005 to cover the NetBurst (Pentium 4) based Xeon and Xeon MP systems. For some reason I never got around to publishing this article, but I did briefly mention some […]

DDL Replication in SQL Server 2000 and 2005

You may have wondered how to add, drop, or alter (type or size) a column of a table that is an article of a publication. I have seen this question in many forums and discussion boards. Obviously, dropping the replication, making the necessary changes, and then recreating the replication is not efficient. Your customers may […]

Keeping Your SQL Server Databases Defragmented with Diskeeper

All SQL Server databases, over time, experience “internal” fragmentation of its data. This occurs when records are removed from database pages but the space it occupied is still there after deletion. Eventually this space is reused, but as it is reused, the data pages become fragmented, which can lead to unnecessary I/O, especially in case […]
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