关于：varchar2与nvarchar2の话题！

Oralce中VARCHAR2()与NVARCHAR2()的区别介绍

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• 收藏 varchar2 nvarchar2 varchar2与nvarchar2 oracle varchar2

一、先来看看Oralce中VARCHAR2()和NVARCHAR2()的官方定义官方文档定义如下：VARCHAR2(size [BYTE | CHAR])Variable-length character string having maximum length size bytes or characters. Maximum size is 4000 bytes or characters, and mini..