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Database Management System (DBMS) Practice Test: All Topics
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A DBMS (Database Management System) is a software application that helps create and manage databases. Popular DBMS are MySQL, Oracle, MongoDB, etc.  The sum total of the database, the DBMS and the associated applications can be referred to as a database system. Often the term "database" is also used loosely to refer to any of the DBMS, the database system or an application associated with the database. Existing DBMSs provide various functions that allow management of a database and its data which can be classified into four main functional groups: Data definition – Creation, modification... Show more
Database Management System (DBMS) Practice Test: All Topics
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25 Questions

1. FD stands for:
2. A _____________on the attribute A of relation r consists of one bitmap for each value that A can take.
3. _____________ _____________ frees the space occupied by a block as soon as the final tuple of that block has been processed.
4. Which of the following is database element?
5. The disk controller uses _____________ at each sector to ensure that the data is not corrupted on data retrieval.
6. Which of the following is an advantage of using database system?
7. If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
8. A transaction commits as soon as its commit log record is written to stable storage at the primary site. This is
9. Relation dept year(dept name, total inst 2007, total inst 2008, total inst 2009). Here the only functional dependencies are from dept name to the other attributes. This relation is in
10. Fifth Normal form is concerned with
11. The operation of processing each element in the list is known as
12. What do data warehouses support?
13. VDL is used to specify:
14. ARIES uses a _____________ to identify log records, and stores it in database pages.
15. 4GL has the following components inbuilt in it:
16. The technique where the blocks which have been used are replaced is called
17. A _____________ is a logical grouping of database objects, usually to facilitate security, performance, or the availability of database objects such as tables and indexes.
18. If h is any hashing function and is used to hash n keys in to a table of size m, where n<=m, the expected number of collisions involving a particular key x is :
19. _____________............. policy allows multiple updates to accumulate on a block before it is output to stable storage, which can reduce the number of output operations greatly for frequently updated blocks.
20. _____________ is an attack which forces an end user to execute unwanted actions on a web application in which he/she is currently authenticated.
21. The deadlock state can be changed back to stable state by using _____________............. statement.
22. The refinement from an initial entity set into successive levels of entity subgroupings represents a _____________ design process in which distinctions are made explicit.
23. In the _____________ normal form, a composite attribute is converted to individual attributes.
24. Redo operations are performed exclusively using
25. A............. file system is software that enables multiple computers to share file storage while maintaining consistent space allocation and file content.