How many records are shown in the Employee table?How many attributes are there in the Branches table?Which attribute could be a primary key for the Employee table?How many decimal places $($maximum$)$ can be stored in an employee's salary field?How many decimal places $($maximum$)$ can a Department$\_$ID have?What three rules do tables obey?Is the Employee table normalized? How do you know?What is the result of the following query?$-$ Select sum$($Salary$)$ from Employee where Department$\_$ID$=3$;Identify the Employee ID$($s$)$ that would be returned as a result of the following query. $-$ Select $*$ from Employee where Classification $<>$ 'Exempt';What is the result of the following query?$-$ Select max$($Salary$)$ from Employee;