Summary: in this tutorial, you will learn how to use SQLite PRIMARY KEY constraint to define a primary key for a table. Introduction to SQLite primary key. A primary key is a column or group of columns used to identify the uniqueness of rows in a table. Each table has one and only one primary key. Aug 31, 2016 When creating a table in Microsoft Access it is important that the table is correctly setup with a primary key that auto-increments. Without this the table will be difficult to input and output data. Notes: Only one field in a table can be the primary key and/or auto-increment.
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December 2020
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