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# NpgsqlCopyOut.Start Method

Command specified upon creation is executed as a non-query. If CopyStream is set upon creation, all copy data from server will be written to it, and operation will be finished immediately. Otherwise the CopyStream member can be used for reading copy data from server until no more data is available.

[Visual Basic]
Public Sub Start()
[C#]
public void Start();

#### See Also

NpgsqlCopyOut Class | Npgsql Namespace