如何进行MySQL数据库备份

问题描述：

我需要使用MySql Query备份整个数据库

2。使用c＃代码备份数据库

2.Also to take a backup of DB using c# code

我的应用程序是独立应用程序，并使用vs2010。
这是我到目前为止尝试过的。无法确定抛出了什么错误。任何建议都将有所帮助。对此的任何帮助都将有很大帮助

My application is an standalone application and using vs2010. This what I have tried so far.Not able to identify what error is thrown.any suggestions would be of help.Any help on this will be of great help

enter code here

        int year = Time.Year;
        int month = Time.Month;
        int day = Time.Day;
        int hour = Time.Hour;
        int minute = Time.Minute;
        int second = Time.Second;
        int millisecond = Time.Millisecond;

        //Save file to C:\ with the current date as a filename
        string path;
        path = "D:\\yourfoldername" + year + "-" + month + "-" + day + "-" + hour + "-" + minute + "-" + second + "-" + millisecond + ".sql";
        StreamWriter file = new StreamWriter(path);


        ProcessStartInfo psi = new ProcessStartInfo();
        psi.FileName = "mysqldump";
        psi.RedirectStandardInput = false;
        psi.RedirectStandardOutput = true;
        psi.Arguments = string.Format(@"-u{0} -p{1} -h{2} {3}", "root", "", "localhost", "database");
        psi.UseShellExecute = false;

        Process process = Process.Start(psi);

        string output;
        output = process.StandardOutput.ReadToEnd();
        file.WriteLine(output);
        process.WaitForExit();
        file.Close();
        process.Close();

在此处输入代码

答

如果是整个数据库，则：

If it's an entire DB, then:

$ mysqldump -u [uname] -p[pass] db_name > db_backup.sql

如果是所有DB，则：

$ mysqldump -u [uname] -p[pass] --all-databases > all_db_backup.sql

如果是数据库中的特定表，则：

If it's specific tables within a DB, then:

$ mysqldump -u [uname] -p[pass] db_name table1 table2 > table_backup.sql

您甚至可以使用gzip自动压缩输出（如果您的数据库非常大）：

You can even go as far as auto-compressing the output using gzip (if your DB is very big):

$ mysqldump -u [uname] -p[pass] db_name | gzip > db_backup.sql.gz

如果要远程执行此操作，并且可以访问位于问题，那么以下方法将起作用（假定MySQL服务器在端口3306上）：

If you want to do this remotely and you have the access to the server in question, then the following would work (presuming the MySQL server is on port 3306):

$ mysqldump -P 3306 -h [ip_address] -u [uname] -p[pass] db_name > db_backup.sql

要导入：

使用以下命令导入sql数据文件：

ype the following command to import sql data file:

$ mysql -u username -p -h localhost DATA-BASE-NAME < data.sql

在此示例中，使用vivek将 data.sql文件导入 blog数据库作为用户名：

In this example, import 'data.sql' file into 'blog' database using vivek as username:

$ mysql -u sat -p -h localhost blog < data.sql

如果您有专用的数据库服务器，请将localhost主机名替换为实际的服务器名或IP地址如下：

If you have a dedicated database server, replace localhost hostname with with actual server name or IP address as follows:

$ mysql -u username -p -h 202.54.1.10 databasename < data.sql

或使用主机名，例如mysql.cyberciti.biz

OR use hostname such as mysql.cyberciti.biz

$ mysql -u username -p -h mysql.cyberciti.biz database-name < data.sql

如果您不知道数据库名称或数据库名称包含在sql dump中，则可以尝试如下操作：

If you do not know the database name or database name is included in sql dump you can try out something as follows:

$ mysql -u username -p -h 202.54.1.10 < data.sql

引用： http://dev.mysql.com/doc/refman/5.6/en/mysqldump.html

使用C＃备份MySQL中的数据库

备份MySQL数据库

private void Backup()
{
    string constring = "server=localhost;user=root;pwd=qwerty;database=test;";
    string file = "C:\\backup.sql";
    using (MySqlConnection conn = new MySqlConnection(constring))
    {
        using (MySqlCommand cmd = new MySqlCommand())
        {
            using (MySqlBackup mb = new MySqlBackup(cmd))
            {
                cmd.Connection = conn;
                conn.Open();
                mb.ExportToFile(file);
                conn.Close();
            }
        }
    }
}

还原MySQL数据库

private void Restore()
{
    string constring = "server=localhost;user=root;pwd=qwerty;database=test;";
    string file = "C:\\backup.sql";
    using (MySqlConnection conn = new MySqlConnection(constring))
    {
        using (MySqlCommand cmd = new MySqlCommand())
        {
            using (MySqlBackup mb = new MySqlBackup(cmd))
            {
                cmd.Connection = conn;
                conn.Open();
                mb.ImportFromFile(file);
                conn.Close();
            }
        }
    }
}

如何进行MySQL数据库备份

相关推荐