November 2011
Intermediate to advanced
608 pages
13h 33m
English
Content preview from SAP Basis Administration Handbook, NetWeaver EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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SAP Database Tier
A relational database such as Oracle, DB2, or SQL Server, with several hundreds and thousands of tables, constitutes a SAP database layer. SAP application data is stored in the database tables and ABAP (Advanced Business Applications Programming) programs use Open SQL to interact with the underlying database via a database interface. The database interface will convert the Open SQL to native SQL. Even though SAP uses a number of different relational database systems, such as Oracle, DB2, and SQL Server as a data repository, the application logic is in the SAP data dictionary that sits on top of the database data dictionary. Therefore, underlying relational databases have to be managed as a “SAP database” using SAP-provided tools. ...
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