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B.Sc (IT) - Relational Database Management System
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Avg score: 25% • Most missed: “A subquery can be used to _________.”
B.Sc (IT) - Relational Database Management System
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25 Questions

1. The _________ is a query that has another query embedded within it.
2. A _____________ in a RDBMS is called as tuple.
3. Field is otherwise called as __________ of the record.
4. A ______ is a single attribute or combination of two or more attributes of an entity set that is used to identify a record
5. A_________________ represents the number of entities to which another entity can be associated
6. The ________ of two sets contains all elements belonging to both the set.
7. The ____________ specifies that every foreign key must contain a null or valid primary key value.
8. The _____ is the query system where in queries are expressed as variables and formulas.
9. Which of the following cursor attribute returns true if the cursor is open?
10. The _________ manages the allocation of space on disk storage.
11. Which of the following is not an aggregate function?
12. All or none requirement in transaction management is called as ________
13. How are the parameters passed in a call statement referred as?
14. Different values for the same data item is referred to as ____________
15. The argument keys that are used to identify a record uniquely are called __________
16. The ________ is a logical table derived from other tables.
17. The _______ is the process of successive reduction of a given set of relations to better form.
18. Data about data is called _______
19. The collection of information stored in a database at a particular moment is called as _________
20. The _________ defines the schema and storage structure.
21. DROP command is used for __________.
22. A ________ executes low level instructions generated by DML compiler.
23. An attribute is also called as _________
24. The _____________ keyword is used to find the sum of values in a column.
25. The _______ are the users who are responsible for developing application programs or user interfaces

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