Database optimization practices [Index]

Source: Internet
Author: User

Range

Step 1: Apply the correct index

Make sure that each table has a primary key.

 

Step 2: create an appropriate overwriting Index

SalesPersonID Sales ProductID 112

NCLIX_Sales_ProductID

Use Database adjustment consultant to create covered Indexes

Step 3: Sort index fragments

What is index fragmentation?

How do I know if index fragmentation has occurred?

(Dt.) Tablename, si. name
) Dt sys. indexes si. dt.

Avg_fragmentation_in_percent

How to sort index fragments?

When Will restructuring and reconstruction be used?


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