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Mastering SQL Queries

Authored by Nabin Chaudhary

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University

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Mastering SQL Queries
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does SQL stand for?

Simple Query Language

Structured Query Language

Structured Query List

Standard Query Language

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL statement is used to retrieve data from a database?

SELECT

DELETE

INSERT

UPDATE

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you insert a new record into a table in SQL?

UPDATE table_name SET column1 = value1 WHERE condition;

DELETE FROM table_name WHERE condition;

SELECT * FROM table_name;

INSERT INTO table_name (column1, column2) VALUES (value1, value2);

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the WHERE clause in SQL?

To create new database records.

To filter records based on specified conditions.

To sort records in ascending order.

To join multiple tables together.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you update existing records in a SQL table?

Utilize the SQL INSERT statement to add new records.

Use the SQL SELECT statement to retrieve records.

Use the SQL UPDATE statement with SET and WHERE clauses.

Apply the SQL DELETE statement to remove records.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What SQL command is used to delete records from a table?

CLEAR

REMOVE

DROP

DELETE

7.

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 a type of foreign key.

A primary key can be duplicated across records.

A primary key is an optional field in a database.

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