·PAGE222··PAGE223·習(xí)題121．在salary_management數(shù)據(jù)庫中，創(chuàng)建存儲(chǔ)過程，給定員工編號(hào)，查詢其全部工資記錄。CREATEPROCEDUREpr_id(INemp_idCHAR(4))READSSQLDATACOMMENT'給定員工編號(hào)，查詢其全部工資記錄'BEGINSELECT*FROMsalaryWHERE員工編號(hào)=emp_id;END;CALLpr_id('1152');2．創(chuàng)建存儲(chǔ)過程，給定部門編號(hào)，在employee表中統(tǒng)計(jì)該部門在職人數(shù)并顯示。CREATEPROCEDUREpr_emp(INdep_idCHAR(2),OUTdep_noINT)DETERMINISTICBEGINSELECTCOUNT(*)INTOdep_noFROMemployeeWHERE部門編號(hào)=dep_idAND在職狀態(tài)='在職';END;SET@d_id='21';SET@d_no=0;CALLpr_emp(@d_id,@d_no);SELECT@d_no;3．創(chuàng)建存儲(chǔ)過程，在employee表中統(tǒng)計(jì)所有部門的在職人數(shù)，并保存到department表中。UPDATEdepartmentSET人數(shù)=(SELECTCOUNT(*)FROMemployeeWHEREemployee.部門編號(hào)=department.部門編號(hào)ANDemployee.在職狀態(tài)='在職');CREATEPROCEDUREpr_calculateEmployeeCount()BEGINUPDATEdepartmentSET人數(shù)=(SELECTCOUNT(*)FROMemployeeWHEREemployee.部門編號(hào)=department.部門編號(hào)ANDemployee.在職狀態(tài)='在職');END;這個(gè)存儲(chǔ)過程使用了子查詢來統(tǒng)計(jì)每個(gè)部門的在職人數(shù)，并將結(jié)果更新到department表中的“人數(shù)”字段中。子查詢中的條件是employee表中的“部門編號(hào)”與外部查詢中的department表中的“部門編號(hào)”相匹配。CALLpr_calculateEmployeeCount();SELECT*FROMdepartment;4．創(chuàng)建存儲(chǔ)過程，計(jì)算所有員工的應(yīng)發(fā)工資、實(shí)發(fā)工資，并保存到salary表中。CREATEPROCEDUREpr_salary_all()READSSQLDATABEGINUPDATEsalarySET應(yīng)發(fā)工資=基本工資+績效工資+補(bǔ)貼-扣款,社保代扣=(基本工資+績效工資+補(bǔ)貼)*0.30,實(shí)發(fā)工資=應(yīng)發(fā)工資-社保代扣;END;CALLpr_salary_all();5．創(chuàng)建存儲(chǔ)過程，在這個(gè)存儲(chǔ)過程中創(chuàng)建一個(gè)游標(biāo)，在employee表中統(tǒng)計(jì)所有部門的在職人數(shù)，并保存到department表中。CREATEPROCEDUREpr_calculateEmployeeCount_cur()BEGINDECLAREdepartment_idINT;DECLAREemployee_countINT;DECLAREdoneBOOLEANDEFAULTFALSE;DECLAREcurCURSORFORSELECT部門編號(hào)FROMdepartment;DECLARECONTINUEHANDLERFORNOTFOUNDSETdone=TRUE;OPENcur;read_loop:LOOPFETCHcurINTOdepartment_id;IFdoneTHENLEAVEread_loop;ENDIF;SELECTCOUNT(*)INTOemployee_countFROMemployeeWHERE部門編號(hào)=department_idAND在職狀態(tài)='在職';UPDATEdepartmentSET人數(shù)=employee_countWHERE部門編號(hào)=department_id;ENDLOOP;CLOSEcur;END;這個(gè)存儲(chǔ)過程會(huì)創(chuàng)建一個(gè)游標(biāo)，遍歷department表中的每個(gè)部門，然后在empl