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newsRaja's Data Engineering·March 1, 2024

125. Databricks | Pyspark| Delta Live Table: Data Quality Check - Expect

Summary

Delta Live Tables in Databricks use expectations to perform data quality and validation checks on datasets using Python decorators or SQL constraints. Expectations consist of a constraint name, a validation logic definition, and a violation action of either warning, dropping invalid records, or failing the entire process.

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