what are the disadvantages of hierarchial database over
RDBMS?
Answer / manjeet kumar
The disadvantages of a hierarchical database are:
·lack of flexibility (non-hierarchical relationships are
awkward to represent; redundancy may be required),
·poor performance for non-hierarchical accesses,
·lack of maintainability (changing relationships may
require physical reorganization of data).
| Is This Answer Correct ? | 11 Yes | 9 No |
How to create a table in a specific tablespace?
Where is the export dump file located?
How to start your 10g xe server from command line?
What is hash cluster in oracle?
Design database draw er diagram for a certain scenario ?
0 Answers Keane India Ltd, TATA,
What is merge in oracle?
How does propagation differ between Advanced Replication and Snapshot Replication (read-only)?
i have a table and it has constraints and i want to get "ALTER TABLE table_name ADD CONSTRAINT constraint_name constraint type" this code must be in string type please help me if you want, i can give more explainings
what is meant by magic query
How to login to the server without an instance?
How to create DSN..Explain?
2 Answers Accenture, BeBo Technologies, Infosys,
What is use of oracle?