Practice Data Definition Language (ddl) (4.2) - Structured Query Language (SQL) - Part 1
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Data Definition Language (DDL)

Practice - Data Definition Language (DDL)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What command is used to create a new table in SQL?

💡 Hint: Think of the command that begins with 'CREATE'.

Question 2 Easy

What does the ALTER TABLE command do?

💡 Hint: What changes can be made to a table?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What SQL command do you use to create a new table?

CREATE NEW
ADD TABLE
CREATE TABLE

💡 Hint: Think of the command that specifies 'CREATE'.

Question 2

TRUE or FALSE: The DROP TABLE command removes the table structure but keeps the data.

True
False

💡 Hint: Consider what happens to both structure and content when you drop a table.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You are tasked with creating a new database for a library. Write the SQL statements to create a Books table that includes BookID, Title, Author, and PublicationYear. Also, include necessary constraints.

💡 Hint: Remember to define each column's properties.

Challenge 2 Hard

You need to modify the Books table to add a column for Genre and ensure it cannot be NULL. Write the SQL command.

💡 Hint: Focus on the command for adding a new column and specifying constraints.

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Reference links

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