Stored procedure: Encapsulated SQL logic. Syntax (Snowflake): CREATE PROCEDURE proc(args) RETURNS type LANGUAGE SQL AS $$ BEGIN ... END; $$; Execution: CALL proc(args); or via connector. Use for: Multi-step logic, transactions, error handling. Best practice: Keep logic thin; use for orchestration. In cloud warehouses, prefer dbt/s Airflow for pipelines; procedures for DB-specific logic. Document parameters and side effects....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like Comcast. The answer also includes follow-up discussion points that interviewers commonly explore.
Continue Reading the Full Answer
Unlock the complete expert answer with code examples, trade-offs, and pro tips - plus 1,863+ more.
Or upgrade to Platform Pro - $39
Engineers who used these answers got offers at
AmazonDatabricksSnowflakeGoogleMeta
According to DataEngPrep.tech, this is one of the most frequently asked SQL interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.