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Relational Model: The relational model uses a collection of tables to represent both data and the relationships among those data. Each table has multiple columns and each column h
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
explain at least five widly used case tools
What is Oracle Process? Explain any four processes started by Oracle. Oracle Process is as follows: SMON: The System Monitor carries out a crash recovery while a crashed in
A set of possible data values is called? A set of possible data values is called as domain.
Differentiate between horizontal & mixed horizontal fragmentation?
WHAT IS DSS? WRITE ITS REQUIREMENTS.
what are information system hirarchy?
Replication : It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which
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