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ORA-01102: cannot mount database in EXCLUSIVE mode 解决办法 SQL> startup mount ORACLE instance started. Total System Global Area 608174080 bytes Fixed Siz 阅读全文
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create or replace procedure testcur(STATIONID IN VARCHAR2,out_result_cursor out sys_refcursor)isv_sql varchar(200);begin v_sql:='select a.stationid,a. 阅读全文
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--查询数据库中表的记录数 按记录数排名select * from user_tables t where t.NUM_ROWS is not null order by t.NUM_ROWS desc --查询数据库中表的存储空间, 按空间大小排名 select * from user_segme 阅读全文