What is DATACOM db?

Answers were Sorted based on User's Feedback



What is DATACOM db?..

Answer / sravan

1.Datacom is a Database Manager developed by CA for MVS.
2.Organisation:Data is stored in teh form of databases,
which can have onw or more keys
3.Access : Access is through 'embeded' datacom calls in
high level languages(eg. through Ideal in PL1), or through
dataquery
4.Databases are known by a username Eg. FED-Profile
Internally in the system they are referred to by a 3
char id
5. It is imp to know the DB-id, that is how the datacom
knows the database
6.One or more keys can combine in several ways to form
several keys
7.There is no concept of Primary key or alternate key - all
keys are "on par"

Is This Answer Correct ?    9 Yes 4 No

What is DATACOM db?..

Answer / guest

It is a database used with VSE.

Is This Answer Correct ?    7 Yes 4 No

Post New Answer

More JCL Interview Questions

What is the syntax of JCL statement?

0 Answers  


Which storage devices are grouped under DASD and SYSDA ?

1 Answers   IBM,


I have 255 procedures in a job, each procedure contain 2 steps.can we execute this job?

2 Answers  


can we maintain 2 generations with different Lengths in Same GDG ?

3 Answers   RBS,


define cond parameter in jcl?

0 Answers   IBM,






I have Job A and Job B. I want to trigger Job B from Job A. Please advise.

2 Answers   Wipro,


How to test thru JCL if any file(PS or VSAM) is empty or not. I do not want to use any COBOL prog or Ezytrieve and want to do using utility.

10 Answers   Lehman Brothers,


i have a jcl calling proc which has 10 steps, i want to execute from step5 to step10, where can i code RESTART and COND parameter?

4 Answers   IBM,


oza017.myorg.emp has 100 records ,oza018.myorg.staff has 200 records but 50 are the common records in both files copy all the common records into oza017.myorg.xyz dataset

3 Answers   Cognizant,


What is use of restart and how to use it?

0 Answers  


What is dummy parameter in JCL??

3 Answers   TCS,


How would I code JCL to copy a gdg data set G001v00 and create a gdg Data set G001v01

2 Answers  


Categories