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create sequence JOBSEQ
minvalue 1
maxvalue 999999999999
start with 1
increment by 1
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create table emp1
as
select * from emp where deptno = 20;
updateµôemp1ÖеIJ¿·ÖÊý¾Ý
update emp1
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´´½¨ÐÂ±í£ºcreate table emp2 as select * from emp;
create view empv20 as select empno,ename,job,hiredate,deptno from emp where deptno=20 with check option;
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conn / as sysdba;
create user t1 identified by t1;
create user t2 identified by t2;
grant connect to t1,t2;
grant create table, create view to t1 with admin option;
conn t1/t1
grant create table to t2;
conn / as sysdba;
select * from dba_sys_privs where gra ......
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