Declaring Parameters for Procedures

Procedure parameters appear as a list in the CREATE PROCEDURE statement.

Parameter names must conform to the rules for other database identifiers such as column names. They must have valid data types , and must be prefixed with one of the keywords IN, OUT or INOUT.

See SQL Anywhere Server - SQL Usage > Stored Procedures and Triggers > Using procedures, triggers, and batches > The structure of procedures and triggers > Declaring parameters for procedures.

Note: This reference points to SQL Anywhere documentation.
Parent topic: Structure of Procedures