Is it necessary that the key field in a Dl/I database be
unique?
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Answer / rama krishna
No. It is not necessary as we have options like Unique and
Multiple while declaring the key fields.
| Is This Answer Correct ? | 7 Yes | 2 No |
What is psbgen process?
What information does a psb contain?
What is dbdgen process?
Define psb?
I have PCB with structure: PCB TYPE=DB, C DBDNAME=EMPCADBD, C KEYLEN=18, C PROCOPT=LS SENSEG NAME=EMPLOYEE, C PARENT=0 SENSEG NAME=COMPDTL, C PARENT=EMPLOYEE SENSEG NAME=BANKDTL, C PARENT=COMPDTL SENSEG NAME=SALDTLS, C PARENT=BANKDTL SENSEG NAME=EDUCDATA, C PARENT=EMPLOYEE SENSEG NAME=EMERDETL, C PARENT=EDUCDATA SENSEG NAME=ADDRESS, C PARENT=EMPLOYEE ************************************************************ *********** PSBGEN PSBNAME=PSBCALDP,LANG=COBOL END Requirement is to Create a report based on Salary brackets. ( Use SSA’s for logic) · It should have CTCGROSS brackets and No of employees o Employee names falling in each bracket Salary < 100,000 No of Employees Employee-Name Level 100,000 < Salary < 300,000 No of Employees Employee-Name Level 300,000 < Salary No of Employees Employee-Name Level
What is the difference between SIBLINGS and TWINS in IMS-DB database
How man key fields and search fields can a segment have?
I found some good questions/answers regarding IMS here:
Define pcb?
What is meant by bmp mode?
What is the maximum number of fields allowed per segment and what is the maximum number of fields per database?
Explain psbgen process?
COBOL 
