Column Constraints

Description

A column definition sets the constraints of a column.

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Grammar Syntax

 [ { NOT NULL | NULL } ]
 [ { UNIQUE  |  PRIMARY KEY } ]
 [ REFERENCES reftable [ ( refcolumn ) ] ]

Navigate to the following pages to get more details about the translation spec for the subsections of the content-source section.

  1. NOT NULL | NULL

  2. UNIQUE | PRIMARY KEY

  3. REFERENCES

PreviousSORTKEYNextNOT NULL | NULL

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