What does it do? Operator of a comparison expression in a literal condition in an access rule in the definition of a role using DEFINE ROLE in the CDS DCL. The operator compares a left side and a right side. The left side is an element of the CDS entity to which the rule applies. The right side is represented using a literal value. operatorTrue if =The value of the left side is equal to the value of the right side. <>The value of the left side is not equal to the value of the right side. < The value of the left side is less than the value of the right side. >The value of the left side is greater than the value of the right side. < =The value of the left side is less than or equal to the value of the right side. >=The value of the left side is greater than or equal to the value of the right side. ?=Like the operator =. The condition is also met, however, if the value of the left side is the null value or a type-dependent initial value.
