[摘要]gzip > $BAK_DIR/$RST_TABLE.dump_$DATE.sql.gz#定期删除60天的备份包find $BAK_DIR -name "name_*.sql.gz&...
gzip > $BAK_DIR/$RST_TABLE.dump_$DATE.sql.gz
#定期删除60天的备份包
find $BAK_DIR -name "name_*.sql.gz" -type f -mtime +60 -exec rm {} \; > /dev/null 2>&1
#30天前的指定库表数据删除操作 (当前时间减去30天）
delete_date=`date --date='30 day ago' +%Y-%m-%d`
echo "delete_date=$delete_date"
#删除rst表信息
rst_sql="delete from $RST_TABLE where update_time <= $delete_date order by update_time;";
echo "rst_sql=$rst_sql"
#ret=$(mysql -u $DB_USER -h ${DB_IP} -p${DB_PASS} $DB_NAME -e "$sql");
ret=$(mysql -h${DB_IP} $DB_NAME -e "$rst_sql");
echo $ret
#删除dispose表信息
dispose_sql="delete from $DISPOSE_TABLE where judge_time <= $delete_date order by judge_time;";
echo "dispose_sql=$dispose_sql"
ret=$(mysql -h${DB_IP} $DB_NAME -e "$dispose_sql");
echo $ret
2.定时设置：每隔30天的1点进行备份。
[root@mysql_bak]# cat /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/
# For details see man 4 crontabs
# Example of job definition:
# .---------------- minute (0 - 59)
#
关键词：详细介绍Mysql数据库表定期备份完成的示例代码