Reference Manual: SAP DB 7.4
This document outlines the syntax and semantics of the SQL statements of the SAP DB database system, version 7.4. The syntax notation used in this document is BNF.
An SQL statement performs an operation on the database instance. The parameters used are host variables of a programming language in which the SQL statements are embedded.
For general
information about the SAP DB database system, see the documentation 
The SAP DB Database
System and the SAP DB
homepage at http://www.sapdb.org.
For
information on the Optimizer functions for SQL statements , see the
documentation Optimizer: SAP DB
7.4.
Other Documentation