Type of key in a table in access
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Each table can only have one primary key. Access can automatically create a primary key field for you when you create a table, or you can specify the fields that you want to use as the primary key. This article explains how and why to use primary keys. To set a table's primary key, open the table in Design view.
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✋Hola✋
Primary keys can be used to refer to entire records,each record has a different value for the key.A table can only contain just one primary key.Ms access will either automatically create a primary key field for you when you create a table,or you can specify you want to use as the primary key.
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