/* ====================================================================================================================================== *//* tp_orders表空間，大小10M，文件大小可自動增長，允許文件擴展，最大限度為無限制 創建A_oe用戶的默認表空間為tp_orders 密碼 bdqn 授予connect,resource權限黨文a_hr用戶的employee */ --創建表空間和用戶，并授予訪問數據庫的權限 create tablespace tp_orders datafile 'E:\E盤\tp_orders01.dbf' size 10M autoextend on;--創建用戶 create user A_oe identified by bdqn default tablespace tp_orders--賦予權限 grant connect,resource to A_oe; grant select on test.employee to A_oe; grant select on test.bumen to A_oe;select * from test.employee;/*使用序列生成部門編號的值 */ /* 從60開始，間隔是10，最大值是10000的序列的對象dept_seq */ select * from bumen; --創建一個序列 create sequence dept_seq start with 60 increment by 10 maxvalue 10000 --插入數據 insert into bumen values(dept_seq.nextval,'學術部'); insert into bumen values(dept_seq.nextval,'學術部1'); --數據遷移前的工作 drop sequence dept_seq;create sequence dept_seq start with 80 increment by 10 maxvalue 10000; create table deptBak as select * from bumen;select * from deptBak; --測試插入數據 insert into deptBak values(dept_seq.nextval,'人事部');/*創建A_oe模式下dept表的公有同義詞，可以允許任何能夠連接上數據庫的用戶訪問 */--創建一個測試dept表 create table dept as select * from test.bumen;select * from dept;--創建同義詞 create public synonym p_sy_dept for a_oe.dept; --賦予權限 grant select on test.customers to A_oe; grant create public synonym to A_oe; select * from p_sy_dept;/* 切換用戶，操作使用test用戶 */ --查看并且操作employee表select * from customers; --為客戶編號創建反向建索引 create index index_reverse_customer_id on customers (customer_id) reverse; --為地域列創建位圖索引 create bitmap index index_nls_territory on customers (nls_territory); --為名和姓氏列創建組合索引 create index index_cus on customers(cust_fiest_name,cust_last_name);/* 根據訂單表創建范圍分區表 */ --（1）已完成 --（2）創建分區 create table rangeOrders ( order_id number(12) primary key, --訂單編號 order_date date not null, --訂貨日期 order_mode varchar2(8) not null , --訂貨模式 customer_id number(6) not null, --客戶編號 order_status number(2), --訂單狀態 order_total number(8,2), --總定價 sales_rep_id number(6), --銷售代表id promotion_id number(6) --推廣員id ) partition by range (order_date) ( partition part1 values less than (to_date('2013-01-01' , 'yyyy-mm-dd')), partition part2 values less than (to_date('2014-01-01' , 'yyyy-mm-dd')), partition part3 values less than (to_date('2015-01-01' , 'yyyy-mm-dd')), partition part4 values less than (to_date('2016-01-01' , 'yyyy-mm-dd')), partition part5 values less than (to_date('2017-01-01' , 'yyyy-mm-dd')), partition part6 values less than (maxvalue) )--插入測試數據 insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(1,'2017-02-09','網上下單',2,1,323.23,1,2);insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(2,'2016-11-09','上門購買',1,2,56.00,2,1); insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(3,'2017-12-20','熟人推薦',3,1,6000,1,2); insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(4,'2015-12-02','網上下單',5,2,365,2,2); insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(5,'2017-12-09','上門購買',3,1,3210,1,2); insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(6,'2014-11-11','網上下單',3,1,630,2,2); insert into rangeOrders(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(7,'2017-01-01','上門購買',2,1,6300,1,2);--查看表中的數據 select * from rangeOrders --查詢每一個分區中的數據 select * from rangeOrders partition (part1); select * from rangeOrders partition (part2); select * from rangeOrders partition (part3); select * from rangeOrders partition (part4); select * from rangeOrders partition (part5); select * from rangeOrders partition (part6);--查看分區情況 select table_name,partition_name from user_tab_partitions;--把已存在的表改為分區表 create table rangeOrder partition by range (order_date) ( partition part1 values less than (to_date('2013-01-01' , 'yyyy-mm-dd')), partition part2 values less than (to_date('2014-01-01' , 'yyyy-mm-dd')), partition part3 values less than (to_date('2015-01-01' , 'yyyy-mm-dd')), partition part4 values less than (to_date('2016-01-01' , 'yyyy-mm-dd')), partition part5 values less than (to_date('2017-01-01' , 'yyyy-mm-dd')), partition part6 values less than (maxvalue) ) as select * from orders;/* 間隔分區（自動化） */ --創建分區表(按照一年分一個表) create table sales_interval1 partition by range (order_date) interval (numtoyminterval(1,'year')) --按照一年分區一個表 (partition part1 values less than (to_date('2017/01/01','yyyy/mm/dd'))) as select * from orders;--查看分區情況 select table_name,partition_name,tablespace_name from user_tab_partitions where table_name=upper('sales_interval1'); --插入一條測試數據 insert into sales_interval1(order_id,order_date,order_mode,customer_id,order_status,order_total,sales_rep_id,promotion_id) values(98,'2018/01/03','熟人推薦',3,1,9658，2,2);/*注意：剛剛加的那條記錄現在肯定沒有，所以 1.先執行 select table_name,partition_name,tablespace_name from user_tab_partitions where table_name=upper('sales_interval1'); 查看下一個分區是多少 2.復制剛剛查詢出來的分區，eg:SYS_P21 3.執行select * from sales_interval1 partition (SYS_P21); */ select * from sales_interval1 partition (SYS_P21);--添加分區 alter table rangeOrder add partition part7 values less tahn(to_date('2018-01-01','yyyy-mm-dd')); --刪除分區 alter table rangeOrder drop partition part3; --移動分區 alter table rangeOrder move partition part1 tablespace works01; --works01是表空間名稱、/* 1.創建一個單獨的表空間 2.把分區的數據移動到這個表空間里面去 3.讓這個表空間作為只讀 */--以system的身份登陸上 create tablespace tb_name datafile 'e:\oracle\tbdb.dbf' size 10M; --授權 alter user test quota unlimited on tb_name; --移動 alter table rangeOrder move partition part1 tablespace tb_name; --設置為只讀 alter tablespace tp_name read only; --設置為讀寫 alter tablespace tp_name read write;/* 課后簡答題 */ --(1)在test用戶下創建一個表Stock_Received create table Stock_Received ( Stock_ID number, Stock_Date date, Cost varchar2(50) )--插入數據 insert into Stock_Received values (myseq.nextval,'2017/03/05','描述一'); insert into Stock_Received values(myseq.nextval,'2017/01/05','描述二'); insert into Stock_Received values (myseq.nextval,'2017/02/05','描述三'); insert into Stock_Received values(myseq.nextval,'2017/04/05','描述四'); insert into Stock_Received values(myseq.nextval,'2017/05/05','描述五'); insert into Stock_Received values(myseq.nextval,'2017/06/05','描述六'); insert into Stock_Received values(myseq.nextval,'2017/05/05','描述七'); insert into Stock_Received values(myseq.nextval,'2017/04/05','描述八'); insert into Stock_Received values(myseq.nextval,'2017/02/05','描述九'); insert into Stock_Received values(myseq.nextval,'2017/01/05','描述十'); insert into Stock_Received values(myseq.nextval,'2017/08/05','描述十一'); --創建一個名為myseq的序列 create sequence myseq start with 1000 increment by 10 maxvalue 1100 cycle--(2)創建一個公有的同義詞 create public synonym p_Stock_received for Stock_Received --給a_oe賦予一個可以查看Stock_Received的權限 grant select on p_Stock_received to a_oe;--用a_oe登陸，測試能不能查看Stock_Received表 select * from p_Stock_received; --↑測試成功--（3）在Stock_Received中根據Stock_Date列創建3個范圍分區 create table range_Stock_Received partition by range(Stock_Date) ( partition p1 values less than(to_date('2017/01/01','yyyy-mm-dd')), partition p2 values less than(to_date('2017/03/01','yyyy-mm-dd')), partition p3 values less than(to_date('2017/05/01','yyyy-mm-dd')), partition p4 values less than(maxvalue) ) as select * from Stock_Received--查看每個分區里面的數據 select * from range_Stock_Received partition (p1); select * from range_Stock_Received partition (p2); select * from range_Stock_Received partition (p3);--(4)在表的id上創建一個逐漸索引列 create index index_Stock_ID on Stock_Received (Stock_ID);

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