Answer
Functions return values and can be used in queries, while procedures do not return values and can manage transactions.
Quick Answer
Functions (CREATE FUNCTION) return a value and can be used in SELECT, WHERE, etc. They can't manage transactions. Stored procedures (CREATE PROCEDURE, PostgreSQL 11+) don't need to return a value and can COMMIT/ROLLBACK within their body - enabling transaction control inside procedures. Call procedures with CALL procedure_name(). Functions are more versatile for query use; procedures for transaction control.
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SugharaIQ Editorial Team
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.
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Source: SugharaIQ