The analytics team defines a gold materialized view in SQL over silver tables. Its data quality rule: margin_pct must be between 0 and 100. Rows that violate the rule must be excluded from the materialized view, and the number of violations must still be recorded as expectation metrics in the event log. The refresh itself must not fail because of bad rows. Which clause implements this rule?
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Correct answer: CONSTRAINT valid_margin EXPECT (margin_pct BETWEEN 0 AND 100) ON VIOLATION DROP ROW
Reference: https://docs.databricks.com/aws/en/sql/language-manual/sql-ref-syntax-ddl-create-materialized-view
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Official Answer (B): CONSTRAINT valid_margin EXPECT (margin_pct BETWEEN 0 AND 100) ON VIOLATION DROP ROW
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