What is the difference between Primary key and Alternate Key.
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Primary keys - Contain one or more columns whose combined values uniquely identify every row in a table. ... Alternate keys - Contain one or more columns whose combined values uniquely identify every row in a table.
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primary key contains one or more columns whose combined values uniquely identify every row in a table .
Alternate key contain one or more columns whose combined values uniquely identify every row in a table
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