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auto-updating statistics

SQL SERVER – Not Auto-Updating Statistics with STATISTICS_NORECOMPUTE

August 4, 2020
Pinal Dave
SQL Performance
SQL DMV, SQL Index, SQL Scripts, SQL Server, SQL Statistics

After careful investigation, we figured out the cause for not auto-updating statistics. Let us learn about that today with STATISTICS_NORECOMPUTE.  

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eliminate join

Creating Covering Index to Eliminate Join – SQL in Sixty Seconds #090

July 29, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Index, SQL Joins, SQL Performance, SQL Scripts, SQL Server

How to improve performance so today we are going to see a video about creating converting index to eliminate join and improve query performance.

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Remove Bookmark Lookup

SQL SERVER – 7 Follow Up Answers to Remove Bookmark Lookup

July 28, 2020
Pinal Dave
SQL Performance
SQL Index, SQL Performance, SQL Scripts, SQL Server

I have received lots of questions based on this question about how to remove bookmark lookup. I have taken the 7 most asked questions and decided to answer.

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Remove Bookmark Lookup

Remove Bookmark Lookup – SQL in Sixty Seconds #089

July 22, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Index, SQL Performance, SQL Scripts, SQL Server

We fixed the query performance by removing the bookmark lookup. Let us learn about that in today’s blog post, how we can fix this issue.

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Index Used

Identify Index Used for Query – SQL in Sixty Seconds #088

July 17, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Index, SQL Performance, SQL Scripts, SQL Server

Let us see in today’s SQL in Sixty Seconds video how one can identify the index used for the query a popular question asked in Health Check.

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single table scan

SQL SERVER – Single Table Scan for Multiple Aggregated Operators

June 20, 2020
Pinal Dave
SQL Performance
Query Rewrite, SQL Index, SQL Scripts, SQL Server

Today we will discuss how a single table scan for multiple aggregated operators helps to improve performance. Let us learn about it today.

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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.

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