She wrote a PROC COMPARE statement—not against the new data, but against the logical data model embedded in SAS 9.4’s metadata layer. Within seconds, the SAS log returned something no one expected: NOTE: Variable 'POLICY_EFF_DT' has an informat of 'MMDDYY10.' in the baseline but 'DATE9.' in the new environment. That was it. A single date format mismatch. Not a math error—a semantic one. SAS 9.4’s data step had been quietly coercing the values during the SET statement, but the cloud SQL engine had been truncating them silently.
The next morning, the audit passed without a single finding. software sas 9.4
Priya’s boss had given her an ultimatum: fix the pipeline by Thursday, or they’d have to delay the filing—a breach of contract with two million policyholders. She wrote a PROC COMPARE statement—not against the