一般後臺shel登錄mysql:
mysql -uroot -p
mysql中查看所有數據庫:
show databases;
切換數據庫:
use testDB;
列出當前數據庫下所有表:
show tables;
查看錶結構信息:
desc tableName
查看創建數據庫語句:
show create database test;
查看創建表語句:
show create table test;
表字段重命名:
alter table tableName change col_old col_new varchar(50);
查看當前數據庫能夠支持的所有字符集:
show charset;
修改數據庫字符集:
alter database test character set utf8;
修改表的字符集:
ALTER TABLE person DEFAULT CHARACTER SET utf8;
修改表字段字符集:
ALTER TABLE person CHANGE address address varchar(50) CHARACTER SET utf8;