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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <... 阅读全文
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C:\Documents and Settings\Administrator>sqlplus /nologSQL*Plus: Release 9.2.0.1.0 - Production on 星期四 5月 27 12:35:02 2010Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.SQL> co... 阅读全文
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Recently i wanted to implement contextmenu withanimation(progress) though there is no direct api or way to do it after hoursof searching on the net i finally found a hack to do it by using win32 dll b... 阅读全文
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show和set命令是两条用于维护SQL*Plus系统变量的命令 SQL> show all --查看所有68个系统变量值 SQL> show user --显示当前连接用户 SQL> show error --显示错误 SQL> set heading off --禁止输出列标题,默认值为ON SQL> set feedbac... 阅读全文
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原因是你用的ADO for ORACLE的驱动是微软的Microsoft OLE DB provider for Oracle,不支持BLOB字段, 应使用ORACLE的驱动ORACLE provider for OLE DB,如果未装Oracle,可以 去Oracle公司网站下载这个驱动。Microsoft OLE DB provider for Oracle 的连接字符串:Provider=... 阅读全文