# include <stdio.h> # include <stdlib.h> # define M # define N int getdate(int (*sp)[M]){ int i,j,x; ;i<N;i++,j=){ while(j<M){ x=rand()%; ){ sp[i][j]=x;j++; } } } ; } int lineave(int s[][M],float a[]){ int i,j; float ave = 0.0; ;i<N;i…
1,命令行登录命令 mysql -h localhost -u root -p C:\Users\lenovo>mysql -u root -p Enter password: ***** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 5 Server version: 5.5.28 MySQL Community Server (GPL) Copyright (c) 2…
Mariadb/MySQL数据库单表查询基本操作及DML语句 作者:尹正杰 版权声明:原创作品,谢绝转载!否则将追究法律责任. 一数据库及表相关概述 1>.数据库操作 创建数据库: CREATE DATABASE|SCHEMA [IF NOT EXISTS] 'DB_NAME'; CHARACTER SET 'character set name’COLLATE 'collate name' 修改数据库: ALTER DATABASE DB_NAME character set utf8; 删除…