Database Technologies Set 3

1. Course(course_id,sec_id,semester)Here the course_id,sec_id and semester are __________ and course is a _________


2. Maria DB is founded in the year of


3. Is JSON Case sensitive ?


4. A table must have _____ ?


5. In E-R model the details of the entities are hidden from the user. This process is called _____?


6. An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A. This is called as _____?


7. Not applicable condition can be represented in relation entry as


8. What are the different types of clauses used in MariaDB?


9. Which one of the following is a procedural language?


10. The degree of a relationship refers to the:


11. In an E-R diagram an entity set is represent by a


12. NoSQL databases is used mainly for handling large volumes of ______________ data.


13. A two-dimensional table of data is called a _____?


14. A relation is analogous to a _____?


15. A domain is atomic if elements of the domain are considered to be ____________ units.


16. SELECT * FROM employee What type of statement is this?


17. An example of a multi-valued attribute might be ______?


18. Relationships among entities of a single class are called _____________.


19. Which refers to connecting entities of different types when identifiers are different?


20. In an E-R diagram a ellipse represents Attribute.


21. Entity is a _________.


22. What is the interactive shell for MongoDB called?


23. An entity type whose existence depends on another entity type is called _________ entity?


24. Which is not included in the definition of an entity?


25. If a university sets up a web-based information system that faculty could access to record student grades and to advise students, that would be an example of a/an