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DBMS Aptitude Questions
ER Model Related DBMS Aptitude Questions and Answers | Set 2
List of ER Model Related DBMS Aptitude Questions and Answers.
6) Partial participations represented by?
- Double Line
- Single Line
- Both 1 and 2
- None of these
Correct Answer - 2
Single Line
7) An Entity set that does not contain primary key is known as?
- Derived Attribute
- Sub Attribute
- Strong Entity Set
- Week Entity Set
Correct Answer - 4
Week Entity Set
8) Is derived attribute physically contained in relation?
- Yes
- No
- Sometimes
- None of these
9) Is ER Model extension of data flow diagram?
- Yes
- No
- Sometimes
- None of these