Home

In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.

A. Oval; An oval with an underlined attribute

B. Circle; A circle with bolded attribute inside it

C. Diamond; A bolded attribute

D. Square; An attribute within the square

Correct Answer : A.


Download Objective type questions of DBMS PDF

Visit our PDF store

Get all objective type questions of DBMS MCQ

Also checkout these categories

Softwares MCQ Coding MCQ Planet Kingdom MCQ Error Detection MCQ p-Block Element MCQ Units, Dimensions and Errors MCQ Windows 2000 Server MCQ Refrigeration & Air-Conditioning MCQ Pipes and Cistern MCQ Syllogism MCQ Adobe Flash MCQ Excretory System MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..
You can do it
  1. Employees in a company are each assigned their own office, i.e. for each employee there exists a unique…
  2. According to the levels of abstraction, the schema at the intermediate level is called
  3. In multiple granularity of locks SIX lock is compatible with
  4. Shadow paging has
  5. ………………… approach reduces time and effort required for design…
  6. A data type or format is specified for each _________
  7. Key to represent relationship between tables is called
  8. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  9. Assume transaction A holds a shared lock R. If transaction B also requests for a shared lock on R.
  10. The default level of consistency in SQL is
  11. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  12. DBMS is a collection of _____ that enables user to create and maintain a database.
  13. Which of the following constitutes a basic set of operations for manipulating relational data?
  14. DFD stands for
  15. A ______ module is typically designed so that it will run on a user workstation or personal computer.
  16. The metadata is created by the
  17. The middleware databases in which the business rules act are applicable to _______ tier architectures
  18. What are the desirable properties of a decomposition
  19. E-R Modeling is achieved by using ____ diagrams
  20. For correct behaviour during recovery, undo and redo operation must be
  21. In an ER model,_____ is described in the database by storing its data.
  22. The statement that is executed automatically by the system as a side effect of the modification of the…
  23. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  24. _____is a full form of SQL.
  25. Immediate database modification technique uses
  26. DBMS helps achieve
  27. In E-R Diagram total participation is represented by
  28. Tree structures are used to store data in
  29. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  30. If the closure of an attribute set is the entire relation then the attribute set is a