/// <summary>
 /// Remove symbol from database
 /// </summary>
 /// <param name="symbol"></param>
 /// <param name="error"></param>
 public void DeleteSymbol(TickerSymbol symbol, out Error error)
 {
     DatabaseClient.DeleteSymbol(databaseService, symbol, out error);
 }
 /// <summary>
 /// Add symbol to database
 /// </summary>
 /// <param name="symbol"></param>
 /// <param name="error"></param>
 public void InsertSymbol(TickerSymbol symbol, out Error error)
 {
     DatabaseClient.InsertSymbol(databaseService, symbol, out error);
 }