| Previous | Table of Contents | Next |
A rule that specifies the values allowed in one or more columns of every row of a table.
Superclasses
Constraint
Attributes
deferrability
Indicates the timing of the constraint enforcement during multiple-user updates.type:multiplicity: |
|||||
| DeferrabilityType ( initiallyDeferred | initiallyImmediate | notDeferrable ) | |||||
| exactly one |