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Statistics That Never Auto Update: Find the NORECOMPUTE Flag

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

Statistics that never auto update usually carry a hidden NORECOMPUTE flag, set when an index was created. This post builds a demo table, shows the flagged statistic go stale while its neighbor updates itself, and lists every flagged statistic in a database. It also shows which maintenance commands clear the flag and which keep it.

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uninstall SQL Server

How to Uninstall SQL Server 2019 Instance? – SQL in Sixty Seconds #093

August 3, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Server, SQL Server Configuration, SQL Server Installation

SQL Server 2019 is very easy but the real challenge is to uninstall SQL Server 2019 instance. Let us learn how we can do that in video.

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How to Install SQL Server 2019? – Interview Question of the Week #287 – SQL in Sixty Seconds #092

August 2, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds, SQL Server, SQL Server Configuration, SQL Server Installation

Question: How to Install SQL Server 2019?

Answer: This is one of the unique blog posts in the history of SQLAuthority, it is merged blog post.

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TSQL_SCALAR_UDF_INLINING: How to Disable Scalar UDF Inlining

August 1, 2020
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL Server, SQL Server 2019

TSQL_SCALAR_UDF_INLINING is the database scoped setting that switches scalar UDF inlining off. This post builds a demo database, proves with execution counts that inlining is on or off, and shows the narrower switches at function and query level. It ends with the undo statement.

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Install MongoDB on Windows: SQL in Sixty Seconds #091

July 31, 2020
Pinal Dave
SQL Video
MongoDB, NoSQL, SQL in Sixty Seconds, Windows

To install MongoDB on Windows you need two downloads, the server and the shell. This post walks through the MongoDB 9 setup, then proves the install with real mongosh output: the version, a ping, one inserted document and a clean drop. It ends with the common first-run problems and the safe defaults to keep.

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need your feedback

SQL in Sixty Seconds – Need Your Feedback

July 30, 2020
Pinal Dave
SQL Video
SQL in Sixty Seconds

I decided to spend more time in building the videos and have created three videos in the last three weeks. It is time when I need your feedback. 

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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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