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With Join

SQL SERVER – Query Without Join Showing Query Plan With Join

December 14, 2019
Pinal Dave
SQL Performance
Execution Plan, Query Hint, SQL Joins, SQL Scripts, SQL Server

This question often keeps on coming in my consulting engagements. Let us quickly see the answer about Query Without Join Showing Query Plan With Join.

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SQL SERVER – Persisting Sample Percentage for Statistics – PERSIST_SAMPLE_PERCENT

December 13, 2019
Pinal Dave
SQL Performance
SQL Scripts, SQL Server, SQL Statistics

Recently I got the opportunity to work on a very new feature of Persisting Sample Percentage for Statistics. Let us learn today.

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SQL SERVER – List All the Nullable Columns in Database

December 12, 2019
Pinal Dave
SQL Performance
SQL Column, SQL DMV, SQL NULL, SQL Scripts, SQL Server

Recently during the consulting engagement, I needed to create a query that Lists All the Nullable Columns in Database, which I am sharing.

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SQL SERVER – APPROX_COUNT_DISTINCT – Not Always Efficient

December 11, 2019
Pinal Dave
SQL Performance
SQL Counter, SQL Function, SQL Scripts, SQL Server, SQL Server 2019

After a lot of testing, I figured out that the newly introduced function is not always efficient. A newly-introduced function APPROX_COUNT_DISTINCT.

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Memory Grant Pending

SQL SERVER – List Number Queries Waiting for Memory Grant Pending

December 10, 2019
Pinal Dave
SQL Tips and Tricks
Memory Grant, SQL Memory, SQL Scripts, SQL Server

Today, in this blog post let us see how we can List Number Queries Waiting for Memory Grant Pending. I had built this simple query for the client.

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Row Mode

SQL SERVER – Row Mode and Memory Grant Feedback

December 9, 2019
Pinal Dave
SQL Performance
Memory Grant, SQL Memory, SQL Scripts, SQL Server

One of the questions, which really caught my attention did this feature work with Row Mode like it does with Batch Mode. Let us discuss today.

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Scoped Configurations

SQL SERVER – Database Scoped Configurations

December 7, 2019
Pinal Dave
SQL Performance
Database Scoped Configurations, SQL Scripts, SQL Server

Recently I was asked a very interesting question by one of my clients on the topic of Database Scoped Configurations. Let us learn today.

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