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How to create an index

Index enables faster sorting and searching through the data in a column. In principle, indexes are created for the columns that will be frequently searched. Indexes in databases are very similar to those in books. The database can find the data through indexes much faster, without having to search through each row in a table. A unique index is created in the primary key column of a table. According to the rules of database normalization, every table should have a column with unique values for marking and differentiating each row. This is done with the Primary Key. The columns in relationships between tables must also have a unique index.

The video shows three tables without indexed ID columns. We will create indexes for them using the Indexes Manager window.

Index a column.avi  (cannot see the video? click here)


Related Topics:

About Indexes Manager

How to create a table

How to change columns in an existing table

How to create relationships between tables

Create a shortcut to a table or a view on the Shortcut Bar

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