DB2 Connect User's Guide

The Database Concept

The term database is used throughout this book to describe a relational database management system (RDBMS). Other systems with which DB2 Connect communicates may use the term database to describe a slightly different concept. The DB2 Connect term database is equivalent to:

MVS

A DB2 for MVS/ESA subsystem identified by its LOCATION NAME.

This name is defined in the Boot Strap Data Set (BSDS) and is also provided in the DSNL004I message (LOCATION=location) which is written when the Distributed Data Facility (DDF) is started.

OS/390

A DB2 Universal Database for OS/390 subsystem identified by its LOCATION NAME.

This name is defined in the Boot Strap Data Set (BSDS) and is also provided in the DSNL004I message (LOCATION=location) which is written when the Distributed Data Facility (DDF) is started.

VSE

DB2 for VSE running in a partition identified by its DBNAME

VM

DB2 for VM running in a CMS virtual machine identified by its DBNAME

OS/400

DB2 Universal Database for AS/400, an integral part of the OS/400 operating system. Only one database can exist on an AS/400 machine. If the database will be used by applications outside the AS/400 system, the database must be given a name in the relational database directory.

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