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SQL Indexes Explained: What is Index Selectivity?

YouTubeDatabase Dive

SQL Indexes Explained: What is Index Selectivity?

In this short sql tutorial we'll walk you through sql index selectivity. In the database world, SQL index selectivity is the number of distinct values in a table divided by the total number of records. SQL index selectivity defines how a SQL database index helps the SQL database narrow the search for values. To calculate SQL index selectivity ...

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