Difference between store procedure and function?

Question

Accepted Answer

Stored procedures and functions are both database objects used to encapsulate a set of SQL statements, but they have some differences.

Stored procedures are used to perform an action or a series of actions, while functions are used to return a value.
Stored procedures can have input and output parameters, while functions can only have input parameters.
Stored procedures can modify data, while functions are read-only.
Stored procedures can be called from functions, but functions cannot be called from stored procedures.
Stored procedures are typically used for complex logic and business rules, while functions are used for calculations and data manipulation.

Accepted Answer

The function must return a value but in Stored Procedure it is optional. Even a procedure can return zero or n values.
Functions can have only input parameters for it whereas Procedures can have input or output parameters.
Functions can be called from Procedure whereas Procedures cannot be called from a Function.

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