部門表(SM_DEPT)

字段名稱數據類型是否主鍵注釋

DEPT_ID	NUMBER	Y	部門ID
PARENT_DEPARTMENT_ID	NUMBER	N	上級部門
DEPARTMENT_NAME	VARCHAR2(50)	N	部門名稱

用戶部門中間表(SM_USER_DEPT)

字段名稱數據類型是否主鍵注釋

ID	NUMBER	Y	主鍵
DEPT_ID	NUMBER	N	部門ID
USER_ID	NUMBER	N	用戶ID

用戶表(SM_USER)

字段名稱數據類型是否主鍵注釋

USER_ID	NUMBER	Y	用戶ID
USER_NAME	VARCHAR2(50)	N	用戶名稱
LOGON_NAME	VARCHAR2(50)	N	登錄名
IS_SALES	VARCHAR2(1)	N	是否為業務員

客戶信息表(CTM_CUSTOMERS)

字段名稱數據類型是否主鍵注釋

CUSTOMER_ID	NUMBER	Y	客戶ID
CUSTOMER_NAME	VARCHAR2(50)	N	客戶姓名
CITY	VARCHAR2(50)	N	所屬城市
STATE	VARCHAR2(25)	N	所屬州
ZIP_CODE	VARCHAR2(10)	N	郵政編碼
CONTACT_NAME	VARCHAR2(50)	N	聯系人
ADDRESS	VARCHAR2(50)	N	聯系地址
TYPE	VARCHAR2(50)	N	客戶類型
COMMENTS	VARCHAR2(100)	N	備注

訂單頭表(PIM_HEADERS)

字段名稱數據類型是否主鍵注釋

PI_ID	NUMBER	Y	訂單ID
PI_NO	VARCHAR2(50)	N	訂單號
CREATION_DATE	DATE	N	創建日期
CUSTOMER_ID	NUMBER	N	關聯客戶表的客戶ID
OPERATOR_ID	NUMBER	N	關聯用戶表的用戶ID
CURRENCY_CODE	VARCHAR2(50)	N	訂單幣種
EXCHAHGE_RATE	NUMBER	N	匯率

訂單行表(PIM_LINES)

字段名稱數據類型是否主鍵注釋

PI_ID	NUMBER	N	訂單ID
PI_LINES_ID	VARCHAR2(50)	Y	訂單行ID
PRODUCT_CODE	NUMBER	N	產品編碼
QUANTITY	NUMBER	N	產品數量
PRICE	NUMBER	N	產品單價

問題

1.編寫SQL語句，查詢PIM_HEADERS表，符合日期在2011-03-01和2011-03-25之間的PI訂單，顯示訂單號，創建日志，訂單客戶名稱，訂單業務員名稱

select t1.PI_NO,t1.CREATION_DATE,t2.CUSTOM_NAME,t3.USER_NAME from (select * from PIM_HEADERSwhere CREATION_DATE between to_date('2011-03-01','yyyy-mm-dd')andto_date('2011-03-25','yyyy-mm-dd')) t1left join CTM_CUSTOMERS t2on t1.CUSTOMER_ID = t2.CUSTOMER_IDleft join SM_USER t3on t1.OPERATOR_ID = t3.USER_ID

2.編寫SQL語句，查詢所有部門名稱及其給部門的業務員的個數，部門在2011-01-01到2011-03-01之間創建的PI訂單數

select t1._DEPARTMENT_NAME,count(t2.USER_NAME),count(t3.PI_NO) from SM_DEPT t1left join SM_USER_DEPT t2on t1.dept_id = t2.dept_idleft join (select * from PIM_HEADERSwhere CREATION_DATE between to_date('2011-01-01','yyyy-mm-dd')andto_date('2011-03-01','yyyy-mm-dd')) t3on t2.user_id = t3.OPERATOR_ID group by t1.DEPT_ID

3.編寫SQL語句，查詢所有客戶及其相關PI訂單號，PI創建日期，PI訂單相關業務員姓名及其業務所屬部門名稱

selectt1.*,t2.PI_NO,t2.CREATION_DATE,t3.USER_NAME,t5.DEPARTMENT_NAME from SM_CUSTOMERS t1left join PIM_HEADERS t2on t1.CUSTOER_ID = t2.CUSTOMER_IDleft join SM_USER t3on t2.OPERATOR_ID = t3.user_idleft join SM_USER_DEPT t4on t3.USER_ID = t4.USER_IDleft join SM_DEPT t5on t4.DEPT_ID = t5.DEPT_ID

4.編寫SQL語句，更新沒有下過PI訂單的客戶名稱的備注為“從未發生業務往來”

update CTM_CUSTOMERS t1 set COMMENTS = '從未反生業務往來'where not exists (select PI_NO from PIM_HEADERS t2where t2.CUSTOMER_ID = t1.CUSTOMER_ID) ;commit;

5.編寫SQL語句，查詢所有客戶名稱及其所屬城市，并按照城市名稱降序，用戶名稱升序排序

select CUSTOM_NAME,CITYfrom CTM_CUSTOMERSorder by city desc,CUSTOMER_NAME asc

6.編寫SQL語句，查詢出所有的客戶的PI訂單的下單金額，顯示客戶名稱，訂單幣種，訂單總數量及訂單總額

selectt2.CUSTOMER_NAME,t1.CURRENCY_CODE,t3.TOTAL,t4.TOTAL_MONEYfrom PIM_HEADERS t1left join CTM_CUSTOMERS t2on t1.CUSTOMER_ID = t2.CUSTOMER_IDleft join (select PI_ID,sum(QUANTITY) TOTAL,sum(QUANTITY*PRICE) TOTAL_MONEYfrom PIM_LINES group by PI_ID) t3on t1.PI_ID = t3.PI_ID;

7.編寫函數，函數需傳入部門ID，返回結果部門對應所有業務員姓名連接起來，中間用逗號隔開

create or replace function getUserByDeptId( dept_id number) return varchar2isres varchar2(200);cursor mycursor(did number) isselect t2.CUSTOMER_NAMEfrom (select * from SM_USER_DEPTwhere dept_id = did) t1left join SM_USER t2on t1.USER_ID = t2.USER_ID ;beginfor c_row in mycursor(dept_id) loopres := res ||','|| c_rowend loop;return res;end;

總結

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