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Hi all..., Nowadays many of the companies asking for
IMS/DB , actually i hav learned mainframes but i dont have
any knowledge on IMS/DB. it will be a great help if any one
suggest me whr i can learn it ( in any institute).
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Answer / sap
IMS is a hiberarchical database managerment system.
It mainly contains two components, IMS DB and IMS TM.
From the function of the two componets, we can understand
as this:
IMS DB: Hiberarchical database. (Using DL/I manipulate
data.)
DB2/ORICALE/MySql : Relational database.( Using SQL
manipulate data.)
IMS TM is similar to CICS (Customer Information Control
System), which is used to deal with transaction.(
Transaction is devided into several types, we can
understand it is a interactive conversion. We draw money
from ATM can be a transaction.)
IMS has a long history, but he is still energiable. At the
same time, IMS has the two components of itself, can
realize the information managerment completely, which
increase the capability. In addition, the maintance cost is
very low.
| Is This Answer Correct ? | 2 Yes | 7 No |
What are the two ways in which dl/i interface can be invoked?
Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?
What information does a psb contain?
what are the control blocks in IMS ?
What is the need of a secondary index in IMS?
Explain the maximum of key fields and search fields allowed in a segment?
What are the advantages of a hierarchical database?
What is the maximum number of segment types allowed for a single database?
Define psb?
What is meant by bmp mode?
An application programmer comes to you and says your DB is no good, they got an II status code on an insert call from IMS, is this a DB problem?
Explain the advantage of creating the acbs well ahead of time?
COBOL 
