checkConstraint

checkConstraint(constraintName = NULL, constraintDescription = NULL,
  checkCondition = NULL, language = NULL)

Arguments

constraintName

A meaningfull name of the constraint. See constraintName()

constraintDescription

Descibes the purpose of the constraint. See constraintDescription()

checkCondition

An SQL statement or other language implementation of the condition for a check constraint. See checkCondition()

language

The language that the is used to express or implement the check constraint.

Value

a checkConstraint list object