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Database
1. DBMS stands for?
A) Database Management System
B) Data Backup Management System
C) Database Model System
D) None of these
2. Which of these is database software?
A) MySQL
B) MS Word
C) MS PowerPoint
D) None of these
3. SQL stands for?
A) Structured Query Language
B) Simple Query Language
C) Structured Question Language
D) None of these
4. A Table in a database stores data in?
A) Rows and Columns
B) Only Rows
C) Only Columns
D) Slides
5. A Primary Key is used to?
A) Uniquely identify each record in a table
B) Delete records
C) Format text
D) None of these
6. Which SQL command retrieves data?
A) SELECT
B) INSERT
C) DELETE
D) UPDATE
7. Which SQL command adds new data?
A) INSERT
B) SELECT
C) DELETE
D) DROP
8. Which SQL command removes a table completely?
A) DROP
B) DELETE
C) REMOVE
D) CLEAR
9. A Foreign Key is used to?
A) Link two tables together
B) Delete a table
C) Format data
D) None of these
10. Which of these is a NoSQL database?
A) MongoDB
B) MySQL
C) MS Access
D) SQL Server
11. Normalization in a database is done to?
A) Reduce data redundancy
B) Increase file size
C) Delete records
D) None of these
12. Which of these is used to back up a database?
A) Backup/Export tool
B) Print command
C) Font tool
D) None of these
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