我sql - 功能,如零值检查
原文:mysql - function like isnull() to check for zero-value
原文:mysql - function like isnull() to check for zero-value
I m 要求检查一栏是否具有像“核心”功能那样的价值0。
I m 要求检查一栏是否具有像“核心”功能那样的价值0。
All of these functions gives the expected result on my machine. Do they all work on other platforms? More specifically, if x has the bit representation 0xffffffff on 1 s complement machines or ...
编码示意图最终含有Zwnj (zero width non emer),储存在数据库中。