SQL SERVER – Fix: Sqllib error: OLEDB Error encountered calling IDBInitialize::Initialize. hr = 0x80004005. SQLSTATE: 08001, Native Error: 17

Error received: Sqllib error: OLEDB Error encountered calling IDBInitialize::Initialize. hr = 0x80004005. SQLSTATE: 08001, Native Error: 17 Error state: 1, Severity: 16 Source: Microsoft OLE DB Provider for SQL Server Error message: [DBNETLIB]SQL Server does not exist or access denied The simple fix: Microsoft SQL Server 2005 >> Configuration Tools…
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SQL SERVER – DBCC command to RESEED Table Identity Value – Reset Table Identity

DBCC CHECKIDENT can reseed (reset) the identity value of the table. For example, YourTable has 25 rows with 25 as last identity. If we want next record to have identity as 35 we need to run following T SQL script in Query Analyzer. DBCC CHECKIDENT (yourtable, reseed, 34) If table…
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SQL SERVER – Union vs. Union All – Which is better for performance?

This article is completely re-written with better example SQL SERVER – Difference Between Union vs. Union All – Optimal Performance Comparison. I suggest all of my readers to go here for update article. UNION The UNION command is used to select related information from two tables, much like the JOIN…
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SQL SERVER – Script to Determine Which Version of SQL Server 2000-2005 is Running

To determine which version of SQL Server 2000/2005 is running, connect to SQL Server 2000/2005 by using Query Analyzer, and then run the following code: SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY ('productlevel'), SERVERPROPERTY ('edition') The results are: The product version (for example, 8.00.534). The product level (for example, “RTM” or “SP2”). The edition…
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SQL SERVER – What is New in SQL Server Agent for Microsoft SQL Server 2005

I came across this interesting and detailed article ‘What’s New in SQL Server Agent for Microsoft SQL Server 2005‘ on Microsoft TechNet. This article describes Security Improvements, New Roles in the msdb Database, Multiple Proxy Accounts, Performance Improvements, Performance Counters, New SQL Server Agent Subsystems, Shared Schedules, WMI Event Alerts,…
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SQL SERVER – Restore Database Backup using SQL Script (T-SQL)

In this blog post we are going to learn how to restore database backup using T-SQL script. We have already database which we will use to take a backup first and right after that we will use it to restore to the server. Taking backup is an easy thing, but I have seen many times when a user tries to restore the database, it throws an error.

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