CALL [ database_name. | user_name. ] procedure_name
( { IN_argument | INOUT_argument | OUT_argument } [,...] ) [;]
- IN_argument
- INOUT_argument
{ value_expression | ? }
- OUT_argument
{ out_call_variable | out_call_placeholder }
- out_call_placeholder
{ parameter_name | CAST (OUT out_call_placeholder AS data_type) }
Syntax Elements
- database_name
- user_name
- Optional qualifier for the SQL procedure or external procedure to be executed.
- If database_name is not specified, the current default database is assumed.
- procedure_name
- Name of the SQL procedure or external procedure to be executed.
- value_expression
- Supported arithmetic and string expressions.
- The following can be specified in a value expression, subject to client-specific restrictions:
- SQL procedure local variables
- SQL procedure status variables
- IN or INOUT parameters
- FOR loop columns and aliases
- Host variables and macro parameters
- FORMAT, TITLE, and NAMED phrases
- Scalar UDFs
- Scalar subqueries
- For client-specific rules, see Rules For Calling Procedures From Embedded SQL.
- ?
- A call parameter argument.
- A QUESTION MARK character as an input call argument is valid only in SQL DML, ODBC, and JDBC client applications.
- out_call_variable
- An identifier prefixed with the COLON (:) character.
- Depending on the calling utility, the out_call_variable can be one of these:
- host variable
- local variable
- IN or INOUT parameter
- parameter_name
- The name of the OUT parameter as defined in the SQL procedure.
- CAST AS
- The request to convert the data definition of a parameter or another CAST clause to the required type. CAST clauses can be nested.
- FORMAT, NAMED and TITLE clauses can be used with the CAST operator.
- data_type
- The data definition for the parameter set.
- See Teradata Vantage™ - Data Types and Literals, B035-1143.