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Refreshing a Test Database From Production Safely

April 20, 2016
Pinal Dave
SQL Tips and Tricks
DBA, SQL Backup and Restore, SQL Login, SQL Server Security, Testing

Plan refreshing a test database with isolated restores, safe paths, user repairs, data replacement, disabled outbound actions, and a log.

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A sealed envelope, brass lock and two different key impressions suggest preserved evidence of a change

SQL SERVER – Who Changed the Password of SQL Login? – Interview Question of the Week #065

April 3, 2016
Pinal Dave
SQL Interview Questions and Answers
SQL Login, SQL Password, SQL Scripts, SQL Server, SQL Server Security

Who changed the password of your SQL Login? It is a real world question every DBA faces one day. Bookmark this post, here is how to find the answer.

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Gouache painting of two readers watching wooden figures move between rows on a workbench

SQL SERVER – The NOLOCK Question – Notes from the Field #117

March 10, 2016
Pinal Dave
SQL Tips and Tricks
Notes from the Field, SQL Server, SQL Server Security, SQL Statistics

Stuart Ainsworth discusses NOLOCK, dirty reads and safer alternatives. A two-session example shows why uncommitted results can be misleading.

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A magnifying glass beside a blank paper ledger and one plain brass key on a wooden desk.

Finding Out Who Changed That Row

February 9, 2016
Pinal Dave
SQL Tips and Tricks
Best Practices, Database, SQL Server, SQL Server Security

Investigate who changed data using existing audit evidence, transaction log limits, and the distinction between logins and individual users.

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SQL SERVER - How to Connect Using NT AUTHORITY \ SYSTEM Account?

SQL SERVER – How to Connect Using NT AUTHORITY \ SYSTEM Account?

February 8, 2016
Pinal Dave
SQL Tips and Tricks
Command Line, SQL Server, SQL Server Security

SSMS will not let you type in Windows credentials. Here is how to connect using NT AUTHORITY\SYSTEM account with PsExec from Sysinternals.

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timeout period

SQL SERVER – Timeout expired. The timeout period elapsed prior to completion of the operation

January 26, 2016
Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Server, SQL Server Security

Today we are going to learn about how to fix the error: Timeout expired. The timeout period elapsed prior to the completion of the operation.

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Endpoint TCP Port 1433.

SQL SERVER – Someone was trying to hack my SQL Server Logins in Azure!

January 4, 2016
Pinal Dave
SQL Tips and Tricks
SQL Server Security

I noticed failed login errors on my Azure VM. Someone was trying to hack my SQL Server logins in Azure. Here is what I found and fixed.

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