Check Constraints
A compact check-constraints book for readers who need concrete finite row-rule validation: NOT NULL cells, allowed values, number bounds, row pass/fail facts, bad rows, repaired rows, and guarded expected check facts.
A compact check-constraints book for readers who need concrete finite row-rule validation: NOT NULL cells, allowed values, number bounds, row pass/fail facts, bad rows, repaired rows, and guarded expected check facts.