Navicat for MySQL报错:1075-Incorrect table definition;there can be only one auto column and it must be defined as a key 发生这个错误的原因为:数据库中设置了自增列(auto-Incrementing column),但未将其设置为PRIMARY KE…
#include<stdio.h>
#include<string.h>
#include<math.h>
#include<malloc.h>
#define men 3
#define women 2
#define children 1
//马克思手稿中有这样一道趣味数学题:男人、女人和小孩总计n个人,在一家饭店里吃…
1075 - Incorrect table definition; There can only be one auto column and it must be defined as a key
错误的设置导致表中是存在两个自增的字段,而MySQL表的定义中只能有一个自增的字段而且必须定义为键。
1.问题:ERROR 1075 (42000):Incorrect table definition; there can be only one auto column and it must be defined *
2.原因:给表属性设置了 auto_increment (自增),但该属性却未被设置为PRIMARY K…
首先要下载相关的工具链
In addition to the packages requested on the Android website, the following packages are also needed:
$ sudo apt-get install uuid uuid-dev
$ sudo apt-get install zlib1g-dev liblz-dev
$ sudo apt-get install liblzo2-2 liblzo2-dev
$ su…