Component documentation Basic Knowledge Locate the document in its SAP Library structure

The SAP DB Database SystemIntroduction to the architecture of the SAP DB database system, user and backup concepts, database tools, directory structure, database parameters, data management and processing, documentation, terminology, and so on.
Reference ManualSQL statements and their syntax
MessagesList of all SAP DB messages
System TablesSAP DB system tables and their evaluation
ORACLE SQL ModeSpecial features of SQL statements in the SQL mode ORACLE
OptimizerFunctions of the SAP DB Optimizer