Structured Query Language, is the standard language used to interact with relational databases. Whether you're a newcomer looking to grasp the fundamentals or a seasoned professional refreshing your knowledge, this quiz will test your understanding of SQL essentials.
Question 1
What does SQL stand for?
Structure Query Language
Sequential Query Language
Systematic Query Language
Structured Question Language
Question 2
Which SQL keyword is used to retrieve data from a database?
FETCH
EXTRACT
SELECT
RECOVER
Question 3
What is the purpose of the WHERE clause in SQL?
To specify which columns to select
To specify which table to select from
To filter rows based on a specified condition
To order the results
Question 4
Which SQL statement is used to update data in a database?
MODIFY
UPDATE
ALTER
CHANGE
Question 5
What does the SQL keyword "GROUP BY" do?
Orders the result set in ascending order
Group rows that have the same values into summary rows
Filters rows based on a specified condition
Joins two or more tables
Question 6
Which SQL operator is used to combine two or more conditions in a WHERE clause?
AND
OR
NOT
LIKE
Question 7
What does the SQL keyword "ORDER BY" do?
Filters rows based on a specified condition
Group rows that have the same values into summary rows
Orders the result set based on specified columns
Joins two or more tables
Question 8
Which SQL statement is used to delete data from a database?
TRUNCATE
DELETE
DROP
REMOVE
Question 9
What does the SQL keyword "DISTINCT" do?
Filters duplicate rows from the result set
Orders the result set in ascending order
Group rows that have the same values into summary rows
Joins two or more tables
Question 10
Which SQL statement is used to add a new column to an existing table?
MODIFY
INSERT
ALTER
ADD
There are 10 questions to complete.