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But it fails due to treating ACCESS as a keyword. Token: [@0,0:5='CREATE',<305>,1:0] Token: [@1,6:6=' ',<2380>,channel=1,1:6] Token: [@2,7:8='OR',<1237>,1:7] Token ...

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Entity relationship diagram (ERD) is one of the most widely used technique for data modeling. An ERD developed during the conceptual data modeling phase of the database development process is ...

下面这段程序将一个文件（文本文件，doc文件，图象文件等）保存到数据库中，并可以将其从数据库读出。 动态PL/SQL,对CLOB字段操作可传递表名table_name，表的唯一标志字段名field_id，clob字段名field_name，记录号v_id，开始处理字符的位置v_pos，传入的字符串变量v ...