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The name DB2 (IBM Database 2), was first given to the Database Management System or DBMS in 1983 when IBM released DB2 on its MVS mainframe platform. [12] For some years DB2, as a full-function DBMS, was exclusively available on IBM mainframes. Later, IBM brought DB2 to other platforms, including OS/2, UNIX, and MS Windows servers, and then ...
Currently, 32 IBM mainframes may share the TPF database; if such a system were in operation, it would be called 32-way loosely coupled. The simplest loosely coupled system would be two IBM mainframes sharing one DASD (Direct Access Storage Device). In this case, the control program would be equally loaded into memory and each program or record ...
(A dataset on z/OS is equivalent to a file on other operating systems.) In the main SPUFI screen one specifies an input dataset and an output dataset; these can be specified once and then reused repeatedly. When the user moves on from the main screen, the standard ISPF editor is opened on the input dataset. At this point the user can enter the ...
The OMEGAMON product family provides analysis of IBM mainframe operating systems such as z/OS and z/VM and various sub-systems such as CICS, DB2 and IMS. There are 9 products in the IBM Tivoli OMEGAMON family: IBM Tivoli OMEGAMON XE for z/OS V5; IBM Tivoli OMEGAMON XE for CICS on z/OS V5; IBM Tivoli OMEGAMON XE for IMS on z/OS V5
An IBM System Z10 mainframe computer on which z/OS can run. z/OS is a 64-bit operating system for IBM z/Architecture mainframes, introduced by IBM in October 2000. [2] It derives from and is the successor to OS/390, which in turn was preceded by a string of MVS versions.
In IBM System z9 and successor mainframes, the System z Integrated Information Processor (zIIP) is a special purpose processor.It was initially introduced to relieve the general mainframe central processors (CPs) of specific Db2 processing loads, but currently is used to offload other z/OS workloads as described below.
Adabas, a contraction of "adaptable database system", [1] is a database package that was developed by Software AG to run on IBM mainframes. It was launched in 1971 as a non-relational [2] database. As of 2019, Adabas is marketed [3] for use on a wider range of platforms, including Linux, Unix, and Windows. [4]
FETCH ABSOLUTE n FROM cursor_name FETCH RELATIVE n FROM cursor_name; Scrollable cursors can potentially access the same row in the result set multiple times. Thus, data modifications (insert, update, delete operations) from other transactions could affect the result set. A cursor can be SENSITIVE or INSENSITIVE to such data modifications.