21342203
Description
Question 1
Question
Database is called "self-describing" because it contains a description of itself.
Answer
- True
- False
Question 2
Question
Database has data and relationships
Answer
- True
- False
Question 3
Question
In a database, data is stored in spreadsheets which have rows and columns
Answer
- True
- False
Question 4
Question
A database design may be based on existing data
Answer
- True
- False
Question 5
Question
Foreign key can store duplicate values for column
Answer
- True
- False
Question 6
Question
Which one of the following cannot be taken as a primary key ?
Answer
-
Id
-
Register number
-
Dept_id
-
Street
Question 7
Question
what is the degree of the table with 1000 rows and 10 columns?
Answer
-
10
-
100
-
1000
-
none of the above
Question 8
Question
How many types of keys in Database Design?
Answer
-
Candidate key
-
Primary key
-
Foreign key
-
all of the above
Question 9
Question
Row is synonymous with the term:
Answer
-
record
-
relation
-
column
-
field
Question 10
Question
The primary key is selected from the:
Answer
-
composite keys
-
determinants
-
candidate keys
-
foreign keys
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