ADABAS

ADABAS (an acronym for Adaptable DAta BAse System) is Software AG’s primary database management system.

History

Initially released in 1971 on IBM mainframe systems using DOS/360, OS/MFT or OS/MVT, ADABAS, as of 2014, is available on a range of other systems including Unix, Linux, and Microsoft Windows servers. ADABAS has Parallel Sysplex support, real-time replication capability, and SQL and XML access. Historically, ADABAS was used in conjunction with Software AG's programming language NATURAL, so that many legacy applications that use ADABAS as a database on the back-end are developed with NATURAL.

Technical information

ADABAS is an inverted list database, with the following characteristics:

Files, not tables, as the major organizational unit

Records, not rows, as content unit within the organizational unit

Fields, not columns, as components of a content unit

No embedded SQL engine. SQL or another external query mechanism must be provided. SQL access is provided by the ADABAS SQL gateway. It provides ODBC, JDBC and OLE DB access to Adabas and enables SQL access to ADABAS using COBOL programs.

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ADABAS

History

Technical information

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