[英]How to take backup of MySQL Database
2.也可以使用c#代码备份数据库
我的应用程序是一个独立的应用程序,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
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();
enter code here
如果是整个数据库,则:
$ mysqldump -u [uname] -p[pass] db_name > db_backup.sql
如果是所有DB,那么:
$ mysqldump -u [uname] -p[pass] --all-databases > all_db_backup.sql
如果是数据库中的特定表,则:
$ mysqldump -u [uname] -p[pass] db_name table1 table2 > table_backup.sql
您甚至可以使用gzip来自动压缩输出(如果您的数据库很大):
$ mysqldump -u [uname] -p[pass] db_name | gzip > db_backup.sql.gz
如果要远程执行此操作,并且可以访问有问题的服务器,则可以使用以下命令(假设MySQL服务器位于端口3306上):
$ mysqldump -P 3306 -h [ip_address] -u [uname] -p[pass] db_name > db_backup.sql
导入:
ype以下命令导入sql数据文件:
$ mysql -u username -p -h localhost DATA-BASE-NAME < data.sql
在此示例中,使用vivek作为用户名将“ data.sql”文件导入“博客”数据库:
$ mysql -u sat -p -h localhost blog < data.sql
如果您有专用的数据库服务器,则将localhost主机名替换为实际的服务器名或IP地址,如下所示:
$ mysql -u username -p -h 202.54.1.10 databasename < data.sql
或使用主机名,例如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,则可以尝试以下操作:
$ mysql -u username -p -h 202.54.1.10 < data.sql
参考: http : //dev.mysql.com/doc/refman/5.6/en/mysqldump.html
使用C#在MySQL中备份数据库
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();
}
}
}
}
恢复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();
}
}
}
}
您可以使用mysqldump
$ mysqldump -u [uname] -p[pass] [dbname] > [backupfile.sql]
看看这个
http://www.thegeekstuff.com/2008/09/backup-and-restore-mysql-database-using-mysqldump/
http://www.mediacollege.com/computer/database/mysql/backup.html
看一下这个项目:
MySqlBackup.NET-适用于C#的MySQL备份解决方案
您不必为此编写很多代码。 我正在从官方文档中为您评论一个示例:
简单导出示例
using MySql.Data.MySqlClient;
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();
}
}
}
希望对以后的读者有所帮助。
使用C#在MySQL中备份数据库
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo("cmd.exe", @"/c mysqldump -u root --password=12345 -h localhost ""DATABASE_NAME"" > " + textBackup.Text + "");
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
startInfo.WorkingDirectory = @"C:\Program Files (x86)\MySQL\MySQL Server 5.5\bin";
Process.Start(startInfo);
textBackup.Text实际上是文件的路径,例如。 E:\\ tmp.sql。
如果要访问用户定义的路径,请像下面这样写----
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo("cmd.exe", @"/c mysqldump -u root --password=12345 -h localhost ""DATABASE_NAME"" > e:\tmp.sql");
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
startInfo.WorkingDirectory = @"C:\Program Files (x86)\MySQL\MySQL Server 5.5\bin";
Process.Start(startInfo);
使用C#还原MySQL数据库
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo("cmd.exe", @"/c mysql -u root -p12345 -h localhost ""DATABASE_NAME"" < " + textRestore.Text + "");
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
startInfo.WorkingDirectory = @"C:\Program Files (x86)\MySQL\MySQL Server 5.5\bin";
Process.Start(startInfo);
textRestore.Text实际上是文件的路径,例如。 E:\\ tmp.sql。
如果要访问用户定义的路径,请像下面这样写----
Process process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo("cmd.exe", @"/c mysql -u root -p12345 -h localhost ""DATABASE_NAME"" < e:\tmp.sql");
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;
startInfo.WorkingDirectory = @"C:\Program Files (x86)\MySQL\MySQL Server 5.5\bin";
Process.Start(startInfo);
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