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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
Question: (a) Why is it important to know the architecture rather than to start requirement capture when designing a large scale system? (b) Who are the different people in
how to calculate frequency count of algorithm
folding method and mid square method using visual basic
What is multiple relationship ?
Which model is record based logical model? Network Modelis basically known as record based logical model.
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
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