VSAM Insights | Sumble

What is VSAM?

VSAM (Virtual Storage Access Method) is a high-performance file access method used in IBM mainframe operating systems like z/OS. It provides efficient storage and retrieval of data, supporting various organization structures such as key-sequenced, entry-sequenced, relative record, and linear data sets. VSAM is commonly used for storing critical business data, transaction processing, and database management on mainframes.

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What other technologies are related to VSAM?

VSAM Competitor Technologies

IBM DB2

IBM DB2 is a relational database management system (RDBMS). It is a competitor to VSAM as a data storage solution. While VSAM is a file management system, DB2 is a full-fledged database system offering features like SQL, indexing, and data integrity constraints.

mentioned alongside VSAM in 7% (7.6k) of relevant job posts

IMS

IMS (Information Management System) is a hierarchical database management system. It is a competitor to VSAM as a data storage solution, offering database capabilities beyond simple file management.

mentioned alongside VSAM in 12% (1.7k) of relevant job posts

IMS DB

IMS DB (Information Management System Database) is a hierarchical database management system. It is a competitor to VSAM as a data storage solution, offering database capabilities beyond simple file management. Identical to IMS.

mentioned alongside VSAM in 41% (357) of relevant job posts

VSAM Complementary Technologies

CICS

CICS (Customer Information Control System) is a transaction processing system that commonly uses VSAM for data storage. CICS and VSAM work together to manage transactions and data.

mentioned alongside VSAM in 35% (7.4k) of relevant job posts

JCL

JCL (Job Control Language) is used to execute programs and utilities that access and manipulate VSAM datasets. It provides the instructions for the z/OS operating system to perform VSAM-related tasks.

mentioned alongside VSAM in 31% (8.1k) of relevant job posts

COBOL

COBOL (Common Business-Oriented Language) is a programming language frequently used to develop applications that read and write data to VSAM files. COBOL programs can directly interact with VSAM datasets.

mentioned alongside VSAM in 15% (8.6k) of relevant job posts