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2008-01-18 13:40:20 / Oracle开发
declarev_cursorid interger;v_sqlvarchar2(2000);cursor c1 isselect table_name from all_tables where owner = '源用户';v_tablename varchar2(30);beginv_cursorid := dbms_sql.open_cursor;open c1;loopfetch c1into v_tablename;exit when c1%notfound;v_sql := 'drop table ' || v_tablename;dbms_sql.parse(v_cursorid, v_sql, dbms_sql.V7);v_sql := 'create table ' || v_tablename || 'as select * from源用户'' ||v_ta
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2008-01-11 15:01:33 / MS SQL Server
谁能告诉我,PL/SQL记录表的定义与用法。谢谢!
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2008-01-11 09:15:30 / Oracle开发
求助:create database link ddddddddTEST.US.ORACLE.COMconnect to DDidentified by ddddusing 'TEST';请问这段代码是什么意思?
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2008-01-09 16:16:23 / Oracle开发
请大家谈谈存储过程调用原理与精典的实例代码?谢谢啦。
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2008-01-07 21:32:23 / Oracle开发
大家好:我听听大家怎样理解select 1into var_name from tablewhere条件。谢谢。
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2008-01-07 14:41:35 / Oracle开发
Declares_v_item_idnumber;s_v_item_codevarchar2(32);s_v_item_namevarchar2(512);s_v_item_short_nameVARCHAR2(128);s_v_item_uom_idnumber;s_v_item_uom_codevarchar2(32);s_v_item_bigc_idnumber;s_v_item_bigc_codevarchar2(32);s_v_item_bigc_namevarchar2(64
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2008-01-06 12:42:30 / Oracle开发
declares_v_item_idnumber;s_v_item_codevarchar2(32);s_v_item_namevarchar2(512);s_v_item_short_nameVARCHAR2(128);s_v_item_uom_idnumber;s_v_item_uom_codevarchar2(32);s_v_item_bigc_idnumber;s_v_item_bigc_codevarchar2(32);s_v_item_bigc_namevarchar2(64
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