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CICS Transaction Server (CICS TS) sits at the head of the CICS family and provides services that extend or replace the functions of the operating system. These services can be more efficient than the generalized operating system services and also simpler for programmers to use, particularly with respect to communication with diverse terminal ...
Generating COBOL for executing in the CICS environment. Generating PL/I. TELON was the only one of the major CASE generators that generated PL/I; Supporting multiple databases including IMS/DB and DB2. By this time TELON itself was starting to become a large application.
Early versions supported IBM's DB2 database, 3270 'block mode' screens and generated COBOL code. In the intervening years the toolset has been expanded to support additional development techniques such as component-based development; creation of client/server and web applications and generation of C, Java and C#. In addition, other platforms ...
This adds record caching and, more importantly, record locking. Logging and commit processing remain the responsibility of CICS which means that sharing of VSAM data outside a CICS environment is severely restricted. Sharing between CICS regions and batch jobs requires Transactional VSAM, DFSMStvs. This is an optional program that builds on ...
Datacom/DB is a relational database management system [1] for mainframe computers.It was developed in the early 1970s by Computer Information Management Company and was subsequently owned by Insyte, Applied Data Research, Ameritech, and Computer Associates International, Inc. Datacom was acquired by CA Technologies (formerly Computer Associates), which renamed it to CA-Datacom/DB and later to ...
IBM TXSeries for Multiplatforms is a distributed CICS (Customer Information Control System) online transaction processing (OLTP) environment for mixed language applications. TXSeries was introduced by IBM's Transarc subsidiary in 1997 and bundled CICS version 2.1.2 with Encina , MQSeries middleware , Lotus Domino Go web server, and other software.
To do this, the 3270 was designed to minimize the amount of data transmitted, and minimize the frequency of interrupts to the mainframe. By ensuring the CPU is not interrupted at every keystroke, a 1970s-era IBM 3033 mainframe fitted with only 16 MB of main memory was able to support up to 17,500 3270 terminals under CICS.
Records essentially follow the COBOL pattern, consisting of fields of different types: this allows complex internal structure such as repeating items and repeating groups. The most distinctive structuring concept in the Codasyl model is the set. Not to be confused with a mathematical set, a Codasyl set represents a one-to-many relationship ...