scope:

This part of International Standard ISO/IEC 9075 specifies the syntax and semantics of a database language for declaring and maintaining persistent database language routines in SQL-server modules. The database language for s and s includes:;The specification of statements to direct the flow of control.;The assignment of the result of expressions to variables and parameters.;The specification of condition handlers that allow SQL-invoked routines to deal with various conditions that arise during their execution.;The specification of statements to signal and resignal conditions.;The declaration of local cursors.;The declaration of local variables. It also includes the definition of the Information Schema tables that contain schema information pertaining to SQL-server modules and SQL-invoked routines.