VSAM Last modified: Thursday, June 06, 2002
Short for Virtual Storage Access Method, a file management system used on IBM mainframes. VSAM speeds up access to data in files by using an inverted index (called a B+tree) of all records added to each file. Many legacy software systems use VSAM to implement database systems (called data sets).
•E-mail this definition to a colleague• For internet.com pages about VSAM . Also check out the following links! VSAM Capabilities and Limitations IBM page that describes some potential problems with using VSAM including file size limitations. WebCrawler help page This help page provides information on WebCrawler basic search tips and techniques, features, general help, and contacts.	Databases File Management file management system journaled file system legacy application mainframe MVS Give Us Your Feedback VSAM Products : Top Store Offers: Cascio Interstate Music  249.00The Peterson V-SAM&#153 presents a combination of programmable Virtual Strobe&#153 tuner, audio tone generator, and metronome in a hand-held format. I... Compare all matches: 0 Store Offers