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create user Óû§Ãû identified by ÃÜÂë default tablespace ȱʡ±í¿Õ¼ä¡¡Temporary tablespace ÁÙʱ±í¿Õ¼ä;­
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grant connect,resource,dba to Óû§Ãû;­
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revoke unlimited tablespace from Óû§Ãû;­
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alter user Óû§Ãû quota 0 on Users;­
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alter user Óû§Ãû¡¡quota unlimited on Óû§È±Ê¡±í¿Õ¼ä;­
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--EXAMPLE:    USER NAME: GROUPCMS;     tablespace:GROUPCMS
--DROP USER GROUPCMS CASCADE;
create user GROUPCMS identified by ABC123 default tablespace GROUPCMS¡¡ ;
grant connect,resource,dba to GROUPCMS;
revoke unlimited tablespace from GROUPCMS;
alter user GROUPCMS quota 0 on Users;
alter user GROUPCMS¡¡quota unlimited on GROUPCMS;


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SVRMGR>connect internal
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O:select abs(-1) value from dual
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S:select ceiling(-1.001) value
O:select ceil(-1.001) value from dual
3.È¡Õû£¨Ð¡£©
S:select floor(-1.001) value
O:select floor(-1.001) value from dual
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S:select cast(-1.002 as in ......
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