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What functions does a data dictionary perform?
In a (DBMS)data management system, the principal functions performed by the data dictionary are
various techniques of hashing?
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
If the insertion violates one or more constraints, then two alternatives are available: Default option: - Insertion can be discarded and the reason of refusal can also be ex
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
These permit the user to unload a database or parts of a database and reload the data on the similar machine, or on another machine in a dissimilar location. This can be useful in
Explain the database Planning Project ?
explain normalisation
Scenario: You are a freelance database designer who has just been contacted by a small software development company named Altair Software. The president of the company has asked
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