Free 1Z0-071 Restricting and Sorting Data Questions and Answers

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How would you retrieve all rows from a table named employees where the salary is greater than 50000?

Correct! Wrong!

The correct SQL query to retrieve rows where the salary is greater than 50000 is SELECT * FROM employees WHERE salary > 50000;

Which SQL clause is used to filter rows returned by a query based on a specified condition?

Correct! Wrong!

The WHERE clause is used to filter rows in a SQL query based on specific conditions. It restricts the data that is retrieved from the database.

What does the ORDER BY clause do in a SQL query?

Correct! Wrong!

The ORDER BY clause is used to sort the result set of a query based on one or more columns in ascending or descending order.

How can you retrieve only the top 5 highest-paid employees from the employees table?

Correct! Wrong!

Which SQL statement will return all employees in the employees table sorted by their last_name in ascending order?

Correct! Wrong!

The correct SQL query to sort employees by their last_name in ascending order is SELECT * FROM employees ORDER BY last_name ASC;. The ASC keyword specifies ascending order, which is also the default if not explicitly stated.

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