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Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Extend your CREATE TABLE statement from problem 3 with referential integrity constraints. Updates and deletes on related rows are restricted. 6. From examination of the sample data
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
What is Relational Algebra? Relational algebra is a Procedural query Language?
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
Which component is not included in database environment ? A users component is not included in database environment.
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