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Data Base Management System
1. Draw the Architecture of MySQL and explain about its subsystems briefly.
2. Elaborate with the help of an example the concept of Primary key and foreign key in Relational Database management system.
3. Explain View? With an example, use the format of view statement to create view.
4. What types of anomalies are found in relational database? Explain briefly.
5. Explain the three phases that a query passes through during the DBMS processing of that query? Explain briefly.
6. Write down the advantages of Advantages of Object Oriented Database Management.
Consider the subsequent relations RENTER(rno, fname, lname, address, tel_no, pref_type, max_rent) VIEWING(rno, pno, date, comment) PROPERTY_FOR_RENT( pno, street, area ,city,
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
Give Concurrent sub states diagram for the classroom and exam held. In Figure, simultaneous substrates have been taken. After passing Minor 1 test you could give Minor 2 test. T
Describe the Composite Key Composite Key: Sometimes one key is not enough to uniquely recognize a row. E.g. in a single class Roll is enough to search a student, but in the w
The Database Approach In order to overcome the limits of a file system, a new approach was needed. Hence a database approach emerged. A database is a persistent collection of
Explain Growing Phase of locking Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as so
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
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