SQL
User Defined Functions
Functions return a value and can be used inside a query. Learn CREATE FUNCTION, determinism, the difference from procedures, and the performance trap.
Procedural code stored in the database.
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Functions return a value and can be used inside a query. Learn CREATE FUNCTION, determinism, the difference from procedures, and the performance trap.
Named procedural code stored in the database. Learn CREATE PROCEDURE, IN, OUT and INOUT parameters, control flow, and when a procedure is the right to...