Question

write the steps to set a primary key ?




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Answer 1

Answer:

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Explanation:

Create a primary key to associate data between multiple tables.

1. In the Navigation Pane, right click a table, and select Design View.
2. In the Navigation Pane, right click a table, and select Design View.Select the field or fields you want to use as the primary key.
3. In the Navigation Pane, right click a table, and select Design View.Select the field or fields you want to use as the primary key.Select Design > Primary Key.

Answer 2

Answer:

The syntax to add such a constraint to an existing table is defined in SQL:2003 like this: ALTER TABLE <table identifier> ADD [ CONSTRAINT <constraint identifier> ] PRIMARY KEY ( <column name> [ {, <column name> }... ] ) The primary key can also be specified directly during table creation.

Explanation:

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