--創建表空間 create tablespace waterboss datafile 'd:\waterboss.dbf' size 100m autoextend on next 10m --創建用戶 create user wateruser identified by 011220 default tablespace waterboss --給用戶賦予dba權限 grant dba to wateruser create table t_owners ( id number primary key, name varchar2(30), addressid number, housenumber varchar2(30), watermeter varchar2(30), adddate date, ownertypeid number ); create table t_ownertype ( id number primary key, name varchar2(30) ) create table t_pricetable ( id number primary key, price number(10,2), ownertypeid number, minnum number(10,2), maxnum number(10,2) ) create table t_area ( id number primary key, name varchar2(30) ) create table t_operator ( id number primary key, name varchar2(30) ) create table t_address ( id number primary key, name varchar2(30), areaid number, operatorid number ) create table t_account ( id number primary key, ownerid number, ownertypeid number, areaid number, year char(4), month char(4), num0 number, num1 number, usenum number, meteruserid number, meterdate date, money number(10,2), isfee char(1), feedate date, feeuserid number ) insert into t_ownertype(id,name) values(1,'居民'); commit; insert into t_owners values(1,'張三豐',1,'1-1','123456',sysdate,1); commit; insert into t_ownertype values(3,'企業'); commit; update t_owners set adddate=adddate-8 where id=1; commit; delete from t_owners where id=1; commit; truncate table t_ownertype