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PrimaryKey
What is a PrimaryKey?
A primary key is a non null unqiue identifier for a row of data in a database. Each time a new row is created a new primary key is generated to be in sequence with the previous primary key number of the previous row. A table cannot have more than one primary key.
last edited (November 6, 2003) by BadAttitude, Number of views: 1525, Current Rev: 2 (Diff)

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