shell执行mysql操作
? ? ??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。
#!/bin/bashHOSTNAME="192.168.111.84" #数据库信息PORT="3306"USERNAME="root"PASSWORD=""DBNAME="test_db_test" #数据库名称TABLENAME="test_table_test" #数据库中表的名称??
#创建数据库create_db_sql="create database ${DBNAME} 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 ${TABLE} IF NOT EXISTS ${TABLENAME} ( name varchar(20), id int(11) default 0 )"mysql -h${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}"??