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The Database administrator (DBA) uses the data dictionary in each phase of a database life cycle, beginning from the data gathering phase to the design, execution and maintenance p
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
diagrams and meaning
limitations and benefits in database tecknowlagy
what is the need of a log in dbms
explain the level architectures of the database management system
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Objectives Define the terms RECOVERY and INTEGRITY; Define Recovery Techniques; Explain Error and Error detection techniques, and Define types of Authorisation.
What are uncommitted modifications? The immediate-modification technique permits database modifications to be output to the database whereas the transaction is still in the act
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