create user aaa identified by pwd default tablespace ts1 temporary tablespace ts2
grant connect, dba to aaa with admin option
imp aaa/pwd file=d:/aaa.dmp buffer=307200 log=log.log fromuser=aaaold touser=aaa
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drop user username cascade
grant connect, dba to aaa with admin option
imp aaa/pwd file=d:/aaa.dmp buffer=307200 log=log.log fromuser=aaaold touser=aaa
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drop user username cascade