General properties

Constraints are a feature of many data platforms. When specified, the platform will perform additional validation on data as it is being populated in a new table or inserted into a preexisting table. If the validation fails, the table creation or update fails, the operation is rolled back, and you will see a clear error message.

📄️ deprecation_date

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📄️ description

This guide explains how to use the description key to add YAML descriptions to dbt resources (models, sources, seeds) using markdown and Jinja for better documentation.