MCQ Detail
Search MCQs, Papers, Topics
What Is The Main Purpose Of A Primary Key In A Database Table?
A.
To uniquely identify each record
✓
✗
B.
To increase internet speed
✓
✗
C.
To print invoices
✓
✗
D.
To store image colors
✓
✗
A primary key uniquely identifies each row in a database table.
Primary Key
Database
Sql
Table
Submitting...
🚀 Found an error or have a suggestion?
Your feedback helps us keep our MCQs accurate and up-to-date.
Related MCQs
Related MCQs where subject and topic are same as this mcq
Question 1: Which SQL statement is used to retrieve data from a database table?
SELECT is used to retrieve data from one or more database tables.
Sql
Select
Database
Query
AI
medium
Question 2: Which of the following SQL statements are used for data manipulation?
INSERT, UPDATE, and DELETE are data manipulation commands used in CRUD operations.
Sql
Insert
Update
Delete
Crud
Question 3: Which clause is used in SQL to filter rows based on a condition?
The WHERE clause is used to filter records according to specified conditions.
Sql
Where
Filtering
Database
AI
medium
Question 4: Which of the following are examples of relational database management systems?
MySQL, PostgreSQL, and Microsoft SQL Server are relational database management systems.
Mysql
Postgresql
Sql Server
Rdbms
AI
medium
Question 5: Which database concept is used to create a relationship between two tables?
A foreign key is used to establish a relationship between two database tables.
Foreign Key
Database
Relationships
Sql