Examine the code given below: 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?

Correct way to change the character set to UTF8?

Most common use of the mysql EXPLAIN statement?

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?

Which makes a backup on the whole database except the tables sessions and log?

Which statements relating to Alias names is true?