The DATASETS Procedure

IC DELETE Statement

Deletes an integrity constraint.

Restriction:	Must be in a MODIFY RUN group
See also:	"Understanding Integrity Constraints" in SAS Language Reference: Concepts

IC DELETE constraint-name-1 <...constraint-name-n> | _ALL_;

constraint-name-1 <...constraint-name-n>

names one or more constraints to delete. For example, to delete the constraints Unique_D and Unique_E, use the following statement:

ic delete Unique_D Unique_E;

_ALL_

deletes all constraints for the SAS data file specified in the preceding MODIFY statement.