$1)$ Insert $<$ 'Robert', $\text{'}$F$\text{'},$ 'Scott', $\text{'}666884444\text{'},\text{'}1942-06-22\text{'},\text{'}2365$ Newcastle Rd$,$ Bellaire, TX$\text{'},$ M$,58000,\text{'}888665555\text{'},1>$ into EMPLOYEE.

$(2)$ Insert $<$ 'ProductA', $4,$ 'Bellaire', $1>$ into PROJECT.

$(3)$ Insert $<$ 'Production', null, $\text{'}943775543\text{'},\text{'}1988-10-18\text{'}>$ into DEPARTMENT.

$(4)$ Insert $<\text{'}888665555\text{'},20,\text{'}40\mathrm{.}0\text{'}>$ into WORKS$\_$ON$.$

$(5)$ Insert $<\text{'}453453453\text{'},$ 'John', M$,\text{'}1988-01-10\text{'},$ 'SPOUSE' $>$ into DEPENDENT.

$(6)$ Delete the WORKS$\_$ON tuples with Hours$=$ 'null'.

$(7)$ Delete the EMPLOYEE tuple with SSN$=\text{'}888665555\text{'}.$

$(8)$ Delete the PROJECT tuple with Pnumber$=\text{'}20\text{'}.$

$(9)$ Modify the Dnumber, Mgr$\_$ssn and Mgr$\_$start$\_$date of the DEPARTMENT tuple with DNUMBER$=5$ to $6,\text{'}123456789\text{'}$ and $\text{'}1988-10-10\text{'},$ respectively.

$(10)$ Modify the SUPERSSN attribute of the EMPLOYEE tuple with SSN$=\text{'}999887777\text{'}$ to $\text{'}999887777\text{'}.$