Parameters to getProcedureColumns

The JDBC API defines the following parameters for this method call:

• catalog

  always use null for this parameter in Derby.

• schemaPattern

  Java procedures have a schema.

• procedureNamePattern

  a String object representing a procedure name pattern.

• column-Name-Pattern

  a String object representing the name pattern of the parameter names or return value names. Java procedures have parameter names matching those defined in the CREATE PROCEDURE statement. Use "%" to find all parameter names.