Knowledge quiz

It's time to put what you've learned to the test, get 3 right to pass this unit.

1.

What types of keys are always found in a table?

Choose the correct answer.
2.

The HAVING clause behaves the same as the WHERE clause.

Choose the correct answer.
3.

For string-based data types, NULL is equal to an empty string or a space character.

Choose the correct answer.
4.

It is necessary to provide a SQL query with specific instructions that indicate how order to locate, retrieve, and present the desired data.

Choose the correct answer.

Learning

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