Technical Blog

MY sql

Backup：

mysqldump -h ${DBSERVER} --single-transaction -u ${DBUSER} -p${DBPASSWD} ${DBNAME} | gzip > ${DB_BACKUP_PATH}/${DBNAME}/${DBNAME}_${BACKUP_TIME}.sql.gz

Restore：

gunzip gzip > ${DB_BACKUP_PATH}/${DBNAME}/${DBNAME}_${BACKUP_TIME}.sql.gz | mysql  -u ${DBUSER} -p${DBPASSWD}  ${DBNAME}

禁用外键约束

SET FOREIGN_KEY_CHECKS=0;

启动外键约束
SET FOREIGN_KEY_CHECKS=1;

查看当前FOREIGN_KEY_CHECKS的值可用如下命令

SELECT @@FOREIGN_KEY_CHECKS;