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Advanced SQL Quiz

Authored by David Hunt

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Professional Development

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Advanced SQL Quiz
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of views in SQL?

To simplify complex queries

To make the business logic consistent

To enable backward compatibility

To add extra security layers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true about updatable views in MySQL?

Left join or outer join can be used in the SELECT statement of an updatable view

DISTINCT can be used in the SELECT statement of an updatable view

Aggregate functions can be used in the SELECT statement of an updatable view

UNION or UNION ALL clause can be used in the SELECT statement of an updatable view

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the advantages of stored procedures in SQL?

Preventing SQL injection

Improving database consistency

Reusable and maintenance-free

Reducing network traffic

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of triggers in SQL?

To prevent SQL injection

To encapsulate several SQL statements

To validate data in the database

To execute code in response to specified table or view events

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of transactions in SQL?

To insert a new order for a customer

To start a new transaction

To get the latest order number

To prevent MySQL from auto-committing changes

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