This is a timed quiz.
You have 5 minutes to complete the 10 questions in this quiz.
Database is called "self-describing" because it contains a description of itself.
Database has data and relationships
In a database, data is stored in spreadsheets which have rows and columns
A database design may be based on existing data
Foreign key can store duplicate values for column
Which one of the following cannot be taken as a primary key ?
Id
Register number
Dept_id
Street
what is the degree of the table with 1000 rows and 10 columns?
10
100
1000
none of the above
How many types of keys in Database Design?
Candidate key
Primary key
Foreign key
all of the above
Row is synonymous with the term:
record
relation
column
field
The primary key is selected from the:
composite keys
determinants
candidate keys
foreign keys