DATABASE create database db_name; use db_name; alter database db_name; drop database db_name; show databases; TABLE for example: ---------------------------------- use db_name; create table table_name( cust_id int not ull auto_increment primary key,…
报错背景: CDH安装完成Sqoop2的组建后进行创建link的操作. 报错现象: There are issues with entered data, please revise your input: Name: mysql_link Link configuration Error message: Class not found JDBC Driver Class: com.mysql.jdbc.Driver JDBC Connection String: jdbc:mysql://m…
每次设置root和远程访问都容易出现问题, 总结了个通用方法, 关键在于实用 step1: # mysql -u root mysql mysql> Grant all privileges on *.* to 'root'@'%' identified by 'root' with grant option; //增加远程访问权限mysql> UPDATE user SET Password=PASSWORD(’newpassword’) where USER=’root’; //增加ro…
