Which of the following will reclaim unused space in all databases of a MySQL server instance?

How to find all occurrences of text 'owner' in all fields of all tables in a MySQL, database?

Examine the code: SELECT employee_id FROM employees WHERE commission_pct=.5 OR salary > 23000 Which of the following statements is correct with regard to this code?

Suppose a table has the following records: +--------------+-------------+----------------+ | Item | Price | Brand | +--------------+-------------+----------------+ | Watch | 100 | abc | | Watch | 200 | xyz | | Glasses | 300 | bcd | | Watch | 500 | def | | Glasses | 600 | fgh | +--------------+-------------+----------------+ Which of the following will select the highest-priced record per item?

Which function is used to get the higher of two values, a and b, in MySQL?

When running the SELECT query: SELECT ID FROM ( SELECT ID, name FROM ( SELECT * FROM employee ) ); The error message 'Every derived table must have its own alias' appears. Which of the following is the best solution for this error?

Examine the code: SELECT employee_id FROM employees WHERE commission_pct=.5 OR salary > 23000 Which of the following statements is correct with regard to this code?

How to find all occurrences of text 'owner' in all fields of all tables in a MySQL, database?

Which will reclaim unused space in all databases of a MySQL server instance?

Which represents a valid use of COUNT() in a WHERE clause?

Correct way to show that last queries executed on MySQL?