----+----+------ 
    | db | Comma 
----+----+------ 
ost |    | Query 
----+----+------ 
s: 1  Questions: 
----+----+------ 
    | db | Comma 
----+----+------ 
ost |    | Query 
----+----+------ 
s: 1  Questions: 
----+----+------ 
    | db | Comma 
----+----+------ 
ost |    | Query 
----+----+------ 
s: 1  Questions: 
----+----+------ 
    | db | Comma 
----+----+------