【正文】
ORACLE數(shù)據(jù)庫(kù)管理 計(jì)科成本 創(chuàng)建用戶 CREATE USER aaron IDENTIFIED BY soccer DEFAULT TABLESPACE data TEMPORARY TABLESPACE temp Account unlock QUOTA 15m ON data PASSWORD EXPIRE。 GRANT oe_clerk TO scott。 ALTER ROLE oe_clerk IDENTIFIED BY order。 ALTER ROLE hr_clerk IDENTIFIED EXTERNALLY。 CREATE ROLE hr_clerk IDENTIFIED BY bonus。 ORACLE數(shù)據(jù)庫(kù)管理 計(jì)科成本 回收對(duì)象權(quán)限 REVOKE { object_privilege [, object_privilege ]... | ALL [PRIVILEGES] } ON [schema.]object FROM {user|role|PUBLIC} [, {user|role|PUBLIC} ]... [CASCADE CONSTRAINTS] GRANT REVOKE Bob Jeff Emi Emi Jeff Bob REVOKE SELECT ON FROM jeff。所以,對(duì)象權(quán)限的設(shè)置實(shí)際上是為對(duì)象的所有者給其他用戶提供操作該對(duì)象的某種權(quán)力能力 GRANT { object_