“--no-create-db”:不写入“CREATE DATABASE”语句。 “--no-create-info”:不写入“CREATE DATABASE”语句。 “--no-data”:创建数据库和表的结构,但是不包含数据。 “--no-tablespaces”:不写入“CREATE LOGFILE GROUP”或“CREATE TABLESPACE”
接下来是CREATE DATABASE语句,后跟USE DATABASE命令。 接下来是DROP TABLE IF EXISTS语句,后跟CREATE TABLE;然后我们有插入数据的实际INSERT语句。 由于数据存储为SQL语句,因此称为逻辑备份。在还原转储时,DROP TABLE语句将在创建表之前擦除所有表。 2 按照时间点恢复 要获得时间点恢复,您应指定–single-transaction和...
--add-drop-database 在每个CREATE DATABASE语句之前写一个DROP DATABASE语句。此选项通常与--all-databases或--databases选项结合使用,因为CREATE DATABASE语句只有在遇到这两个参数时,才会写入到备份文件中,否则不会写入CREATE DATABASE语句。 [root@host102 tmp]# mysqldump -uroot -p123456 -h127.0.0.1-P3306 ...
(由于备份数据的用户,没有权限create table和create database,已经insert权限,这边需要root用户来操作) 二)备份单个库 [root@blog ~]# mysqldump -S /tmp/mysql.sock -u backdata -p -B louisblog > /opt/mysql_backup/louisblog_$(date +%F_%H).sql Enter password: [root@blog ~]# mysqldump -S /t...
importos filename='mysqldump.sql'output_dir='output'ifnotos.path.exists(output_dir):os.makedirs(output_dir)withopen(filename,'r')asf:lines=f.readlines()current_db=Nonecurrent_file=Noneforlineinlines:ifline.startswith('CREATE DATABASE'):db_name=line.split(' ')[2].strip(';')current_d...
mysqldump --default-character-set=utf8mb4-uusername-pdatabase_name>backup.sql 1. 此命令会将数据库以utf8mb4字符集备份到backup.sql文件中。 3. 字符编码示例 下面是一个简单的示例,展示如何通过Python读取并验证备份文件的编码。 importchardet# 读取备份的SQL文件withopen('backup.sql','rb')asfile:raw...
Without this option, mysqldump treats the first name as a database name and those following as table names. With --all-databases or --databases, mysqldump writes CREATE DATABASE and USE statements prior to the dump output for each database. This ensures that when the dump file is ...
with all databases selected. --add-drop-database Add a 'DROP DATABASE' before each create. --add-drop-table Add a 'drop table' before each create. --add-locks Add locks around insert statements. --allow-keywords Allow creation of column names that are keywords. ...
To make the mysqlbackup command create these subdirectories automatically, specify the –with-timestamp option each time you run mysqlbackup.For one-time backup operations, for example when cloning a database to set up a replication slave, you might specify a new directory eac...
Create a backup of a MySQL database. Installation $ npm install mysqldump If you're using this package in typescript, you should also $ npm install @types/node Usage importmysqldumpfrom'mysqldump'; //or const mysqldump = require('mysqldump') ...