Q:

Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE

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Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.
The SQL statement
SELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);
prints


  1. 10
  2. 9
  3. 5
  4. 0

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