Aug 2026 Discount: Comprehensive Database Performance Health Check | Testimonials

Home
  • Consulting
  • Training
  • Free Videos
  • All Articles
    • Interview Questions and Answers
    • SQL Tips and Tricks
    • SQL Performance
    • SQL Puzzle
    • Big Data
    • Blog Stats
    • SQL Books
  • Hire Me
  • Health Check
strange results

SQL Puzzle – IN and IS NOT NULL – Strange Results

June 17, 2020
Pinal Dave
SQL Puzzle
SQL NULL, SQL Scripts, SQL Server

Today, let us see a very simple puzzle where we are getting strange results when using NOT IN and IS NULL in a T-SQL query.

Read More
force index

How to Force Index on a SQL Server Query? – Interview Question of the Week #281

June 14, 2020
Pinal Dave
SQL Interview Questions and Answers
Clustered Index, Query Hint, SQL Index, SQL Scripts, SQL Server

Question: How to Force Index on a SQL Server Query?
Answer: I personally do not like to force an index on any query. Let us learn together.

Read More
asynchronous load

SQL SERVER – QDS_LOADDB Wait and Asynchronous Load of Query Store

June 10, 2020
Pinal Dave
SQL Performance
Query Store, SQL Server, SQL Wait Stats

The client who has SQL Server 2017 faced a very high wait type of QDS_LOADDB. The way to fix it is to enable the Asynchronous Load of Query Store.

Read More
memory back

Why SQL Server Doesn’t Give the Memory Back to OS?

June 9, 2020
Pinal Dave
SQL Tips and Tricks
SQL Cache, SQL DMV, SQL Memory, SQL Scripts, SQL Server

Today’s post is written by SQL Server Expert Brian Gale. Why SQL Server Doesn’t Give the Memory Back to OS? Let us learn an amazing concept.

Read More
order by a parameter

SQL SERVER – How to Order By a Parameter?

June 8, 2020
Pinal Dave
SQL Tips and Tricks
SQL CASE, SQL Order By, SQL Scripts, SQL Server

We figured out that there was a very poor code written in one of the Stored Procedure’s Order By clause. Let us learn today how to order by a parameter.

Read More
IP Address

How to Find IP Address of All SQL Server Connection? – Interview Question of the Week #280

June 7, 2020
Pinal Dave
SQL Tips and Tricks
Computer Network, SQL DMV, SQL Scripts, SQL Server

Question: How to Find the IP Address of All SQL Server Connection?

I had recently received this question during a recent consultation.

Read More
Just Log File

SQL SERVER – Restore Database With Just Log File

June 6, 2020
Pinal Dave
SQL Tips and Tricks
SQL Backup, SQL Restore, SQL Server, SQL Server Security, SSMS

Restoring the database with Just Log File is not possible. If you are looking for the answer to this question, you have bad news. It is not possible.

Read More
Previous 1 … 47 48 49 50 51 52 53 … 348 Next
  • SQL Interview Q & A
  • Testimonials
  • Search
  • Privacy Policy

© 2006 – 2026 All rights reserved. pinal @ SQLAuthority.com