public int?QueryInteger(OracleConnection connection, string column, int id) => QM.QueryInteger(connection, column, table, id);
public int?QueryInteger(OracleConnection connection, string column, object[] conditions) => QM.QueryInteger(connection, column, table, conditions);
public int Count(OracleConnection connection) { return((int)QM.QueryInteger(connection, $"select count(*) from {table}", new object[0])); }