How can a sqlite database be backed up in native C# code while the database is still online? All of the online backup api examples are in C code.
Historically, backups (copies) of SQLite databases have been created using the following method: Establish a shared lock on the database file using the SQLite API (i.e. the shell tool). Copy the database file using an external tool (for example the unix 'cp' utility or the DOS 'copy' command).
SQLite can still be made to work in many remote database situations, but a client/server solution will usually work better in that scenario.
The online backup API was added to System.Data.Sqlite
in version 1.0.80.0 - April 1, 2012. You can create a database backup while there are other external connections like so
using(var source = new SQLiteConnection("Data Source=ActiveDb.db; Version=3;")) using(var destination = new SQLiteConnection("Data Source=BackupDb.db; Version=3;")) { source.Open(); destination.Open(); source.BackupDatabase(destination, "main", "main", -1, null, 0); }
Also, BackupDb.db
will be created if it doesn't already exist.
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