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1.增删无名唯一性限制 alter table emp add unique(name); alter table emp drop unique(name); 2.增删有名唯一性限制 alter table ar_variable add constraint AR_VARIABLE_UID_NA 阅读全文
posted @ 2021-11-10 22:00
逆火狂飙
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摘要:
命令: conn user/pswd@ip:port/servicename 例子: conn DCEAPP/123456@192.0.20.103:1521/testdb END 阅读全文
posted @ 2021-11-10 21:55
逆火狂飙
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