
Mastering SQL Commands and Functions
Authored by Deepti Gupta
Computers
12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does SQL stand for?
Standard Query Language
Structured Query Language
Structured Query List
Simple Query Language
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which command is used to retrieve data from a database?
INSERT
UPDATE
SELECT
DELETE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the INSERT command in SQL?
To add new records to a database table.
To delete existing records from a database table.
To retrieve data from a database table.
To update existing records in a database table.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which SQL command is used to modify existing records?
SELECT
INSERT
UPDATE
DELETE
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the DELETE command do in SQL?
The DELETE command retrieves data from a table.
The DELETE command updates existing rows in a table.
The DELETE command adds rows to a table.
The DELETE command removes rows from a table.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a primary key in a database?
A primary key is a unique identifier for a record in a database.
A primary key is an optional field in a database.
A primary key can be duplicated across records.
A primary key is a type of foreign key.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name one aggregate function in SQL.
AVG
SUM
MAX
COUNT
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