/// <summary>
/// Returns new data command for this type of the database.
/// </summary>
/// <param name="query">A SQL query.</param>
/// <param name="connection">A connection to database.</param>
/// <param name="commandType">A type of the command.</param>
/// <returns>Created command.</returns>
public virtual DbCommand CreateCommand(string query, DbConnection connection, CommandType commandType = CommandType.Text)
{
var command = AssemblyHelper.CreateCommand(TypeCommand, query, connection);
command.CommandType = commandType;
return(command);
}