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Is your SQL Server running slow and you want to speed it up without sharing server credentials? In my Comprehensive Database Performance Health Check, we can work together remotely and resolve your biggest performance troublemakers in less than 4 hours.

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Have you ever opened any PowerPoint deck when you face SQL Server Performance Tuning emergencies? SQL Server Performance Tuning Practical Workshop is my MOST popular training with no PowerPoint presentations and 100% practical demonstrations.

Essentially I share my business secrets to optimize SQL Server performance.

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SQL SERVER – Fix: Error Msg 128 The name is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted.

Error Message: Server: Msg 128, Level 15, State 1, Line 3 The name is not permitted in this context. Only constants, expressions, or variables allowed here. Column names are not permitted. Causes: This error occurs when using a column as the DEFAULT value of another column when a table is…
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SQL SERVER – SQL Commandments – Suggestions, Tips, Tricks

Few days ago, while searching for something on web site, I came across a very good article of 25 SQL Commandments. I really enjoyed reading it. It was for Oracle, I re-wrote it for SQL Server. First 18 points are taken from original article and last 2 I added to…
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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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