相关mysql的sql语句,可以在shell中操作mysql的方法

Format :

 mysql   -hhostname -Pport -uusername -ppassword   -e   

相关mysql的sql语句，不用在mysql的提示符下运行mysql，即可以在shell中操作mysql的方法。  
 

Example:

 #!/bin/bash  

HOSTNAME="192.168.111.84"        #数据库信息
PORT="3306" 
USERNAME="root" 
PASSWORD=""  
DBNAME="db_mac"            #数据库名称 
TABLENAME="table_mac"                                             
#数据库中表的名称    
#创建数据库 
create_db_sql="create database IF NOT EXISTS ${DBNAME}" 
mysql -h${HOSTNAME} -P${PORT} -u${USERNAME} -p${PASSWORD} -e "${create_db_sql}"    
#创建表 
create_table_sql="create table IF NOT EXISTS ${TABLENAME}(name varchar(20), id int(11) default0)"
 mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${create_table_sql}"   
#插入数据 
insert_sql="insert into ${TABLENAME} values('billchen',2)" 
mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${insert_sql}"  
#查询 
select_sql="select * from ${TABLENAME}" 
mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${select_sql}"    
#更新数据 
update_sql="update ${TABLENAME} set id=3" 
mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${update_sql}" mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${select_sql}"    
#删除数据 
delete_sql="delete from ${TABLENAME}" 
mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${delete_sql}" 
mysql -h${HOSTNAME}   -P${PORT}   -u${USERNAME} -p${PASSWORD} ${DBNAME} -e "${select_sql}"