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Shell操作mysql数据库
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/bash
HOSTNAME="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 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${TABLENAME} ( namevarchar(20), id int(11) default 0 )"
mysql-h${HOSTNAME} -P${PORT} -u${USERNAME}-p${PASSWORD} ${DBNAME} -e"${create_table_sql}"
#插入数据
insert_sql="insertinto ${TABLENAME} values('billchen',2)"
mysql-h${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="deletefrom ${TABLENAME}"
mysql-h${HOSTNAME} -P${PORT} -u${USERNAME}-p${PASSWORD} ${DBNAME} -e "${delete_sql}"
mysql-h${HOSTNAME} -P${PORT} -u${USERNAME}-p${PASSWORD} ${DBNAME} -e "${select_sql}"
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