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sqlplus username/password as sysdba;
create user username identified by password;
alter user username identified by password;
1)默认设置表空间自动扩展,且每次扩展空间大小为100m,不限制最大空间 create tablespace tablespacename datafile 'f:\ts_zzg\zzg_data.dbf' size 2000m autoextend on next 100m maxsize unlimited; 2)默认设置表空间自动扩展,且每次扩展空间大小为100m,限制最大空间为5g,注:datafile后面是表空间的物理存储路径,文件名的后缀可以随便. create tablespace tablespacename datafile 'f:\ts_zzg\zzg_data.dbf' size 2000m autoextend on next 100m maxsize 5g;
alter user zzg default tablespace ts_zzg;
grant dba to zzg;
grant create session,create table,create view,create sequence,connect,resource,unlimited tablespace to zzg;
conn username/password;
select * from session_privs;
drop user username cascade;
imp cqyyt/123456 file=c:db.dmp file=c:db.log full =y; imp username/123456 fromuser=fromusername touser=tousername file=f:\debt_qkj_0731.dmp log=f:\debt_qkj_0108.log ignore=y;
exp gd_base/11@192.168.13.211/oanet file=d:\export\gd_base.dmp log=d:\export\gd_base.log owner=gd_base; exp gd_base/11@oanet file=d:\export\gd_base.dmp log=d:\export\gd_base.log owner=gd_base;
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Oracle字符串函数length、upper、lower、initcap、 concat、instr、replace
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