(A) Hyperlink
(B) Common attribute
(C) Primary key
(D) Super key
Category: Database Mcqs
Database Mcqs for Screening tests, Interviews, Viva and Other competitive exams. Database Mcqs section will help users to prepare mcqs of Database for various exams. Aspirants of Lecturer Computer Science, SST Computer Science, Subject Specialist Computer Science, Data Entry operator, Computer Programmer, Computer Operator, System administrator, Database Administrator and all other Exams can prepare their Database portion from here.
An entity type is?
(A) Defined when the database is actually constructed
(B) A specific type such as an integer, text, date, logical etc
(C) A coherent set of similar objects that we want to store data on (e.g. STUDENT, COURSE, CAR)
(D) Defined by the database designer
Only one type of constraint can be enforced in any table by CREATE command.
(A) True
(B) False
In which of the following situations, Clustering is suitable:
(A) Frequently updating
(B) Relatively static
(C) Relatively deletion
(D) Relatively dynamic
Which of the following is the correct description of cache hit?
(A) When data is found in the cache
(B) The number of times the cache is accessed directly by the processor
(C) When data is removed in the cache
(D) When data is lost from the cache
Which of the following is not a form of optical disk?
(A) CDROM
(B) WORM
(C) Erasable Optical
(D) EEPROM
Browser based forms are developed in the following tools EXCEPT?
(A) Scripting language
(B) HTML
(C) Web-based forms
(D) Front page
Which of the following are the general activities, which are performed during the development of application programs?
(A) Data input programs
(B) Editing
(C) Display
(D) All of the above