摘要:首先看下Oracle官方对函数的定义:The RPAD function returns an expression, right-padded to a specified length with the specified characters; or, when the expression to be padded is longer than the length specified after padding, only that portion of the expression that fits into the specified length.RPAD函数将指定的字符串从 阅读全文
posted @ 2013-11-29 15:52 eliuhy 阅读 (3989) 评论 (0) 编辑