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Dropped Performance

MySQL – Recover Dropped Performance Schema Database

December 23, 2021
Pinal Dave
SQL Tips and Tricks
MySQL, SQL Performance

Earlier today I saw the question in an online forum where the user was looking for ways to recover Dropped Performance Schema Database in MySQL. 

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SQL SERVER – Script to Estimate Compression

December 15, 2021
Pinal Dave
SQL Tips and Tricks
Compression, SQL Scripts, SQL Server, SQL Stored Procedure

I had implemented Data Compression at my client Performance Health Check. Let us discuss how we can estimate compression.

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Has DB Access

SQL SERVER – List Databases Where User Has DB Access

November 26, 2021
Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Server, SQL Server Security

This is a very interesting function and it helps us to list databases where User Has DB Access. Well, it is pretty straightforward to know with the help of function HAS_DBACCES.

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select sleep

MySQL – Wait For Seconds Using SELECT SLEEP()

November 15, 2021
Pinal Dave
SQL Tips and Tricks
MySQL, SQL Scripts

Recently my client asked me if there is the equivalent command of WAIT FOR of SQL Server in MySQL. Of course, there is and a very simple one. 

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15 years

SQL Authority 15 Years of Blogging and Upcoming Changes

November 1, 2021
Pinal Dave
SQL Tips and Tricks
SQL Milestone, SQL Server

Today I complete my 15th year of blogging at SQLAuthority.com.  I am truly honoured that many are reading my blog after 15 years.

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timezone

SQL SERVER – List All Available TimeZone

October 29, 2021
Pinal Dave
SQL Tips and Tricks
SQL DateTime, SQL Scripts, SQL Server

Let me ask you a quick question – how many timezone SQL Server supports? The answer is for SQL Server 2019 it is 141. Yes, it is true.

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DBCC FLUSHAUTHCACHE

SQL SERVER – Empty Database Authentication Cache with DBCC FLUSHAUTHCACHE

October 26, 2021
Pinal Dave
SQL Tips and Tricks
SQL Cache, SQL Scripts, SQL Server, SQL Server DBCC

A very interesting DBCC command I recently came across and that is DBCC FLUSHAUTHCACHE. DBCC function applies to Azure SQL Database.

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