Quick Answer
Stored procedure is a set of SQL statements saved in the database and executed by calling its name. CALL procedure_name(params). Can contain loops, conditionals, error handling. Benefits: reduce network round-trips (logic runs on DB server), reusability, security (grant EXECUTE without exposing tables). Downside: harder to version, debug, and test than application code.
Answer
A stored procedure is precompiled SQL code stored in the database, reducing repetition and improving performance.
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Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.