Given a table with the structure: EMPLOYEE (EmpNo, Name, Salary, HireDate), which of the following is not a valid ANSI SQL command?
A) SELECT
FROM EMPLOYEE
WHERE Name LIKE 'Ja';
B) SELECT COUNT()
FROM EMPLOYEE
WHERE Salary < 30000;
C) SELECT HireDate, COUNT()
FROM EMPLOYEE
GROUP BY HireDate;
D) SELECT HireDate, COUNT()
FROM EMPLOYEE
WHERE Salary < 30000;
Question 2
Cascading deletions are generally not used with relationships for weak child entities.
Indicate whether the statement is true or false