Answer Posted / nygrande
DBD (Database Definition) is used to define the physical
structure of the database.
• One DBD for each database
• Created by a series of control statements - by a process
called DBDGEN
• Used by DL/I whenever database is used
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What are the advantages and disadvantages of a hierarchical database?
What do you mean by hierarchical database?
What are the disadvantages of a hierarchical database?
What is the maximum number of segment types allowed for a single database?
Explain the processing modes available in ims db?
Explain the maximum number of levels allowed in ims db?
What are the main control blocks available in ims db?
What information does a dbd contain?
Explain the advantage of dynamic generation of acb?
Explain acbgen process?
What is psb?
What are the two types of fields available in ims db?
What is meant by batch dl/i mode?
Define pcb?
What is a segment in ims?
