#vsam #cics #cobol #jcl

VSAM Interview Questions. VSAM interview question and answers video is a collection of the latest VSAM interview question which is designed for experienced and freshers. The VSAM Interview Questions and Answers session begins with an introduction to VSAM then followed by Top 20 VSAM Interview Questions. Mainframe VSAM interview questions cover all four VSAM data sets i.e. KSDS, ESDS, RRDS, LDS. The session also included VSAM tricky questions. The term VSAM stands for Virtual Storage Access Method.

VSAM is one of several access methods in z/OS. It applies only to data stored on direct
access storage devices (DASDs). An access method is a re-entrant code that is loaded at IPL
time at PLPA and contained in DFSMSdfp, a component of the z/OS DFSMS product. This
access method makes it easier for an application to run an I/O operation (moving data
between an I/O device and memory). Let's get started with VSAM interview questions.

VSAM Index.

00:00 Welcome to VSAM Interview Questions.
00:24 Introduction to VSAM.
01:53 What is a cluster?
02:19 What is an index set in VSAM?.
02:31 Feature of KSDS?
02:57 What is the VSAM catalog?.
03:17 What is the VSAM Alternate Index?
03:44 What is the maximum number of AIX per cluster?.
04:03 VSAM primary key and alternate key.
04:30 What is the path in VSAM?
04:50 What is the upgrade set?
04:59 What is free space in VSAM?.
05:07 What is IDCAMS?
06:05 What is an organization of KSDS in the COBOL program?
06:29 What is the COBOL Key clause for VSAM?
07:05 START command syntax and details.

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