I see below issue is happening only if base column datatype is integer. All other types working fine. +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | L3 | +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | 123456678 | +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ Other datatype like below ------------------+ | L3 | ------------------+ |123456678 | ------------------+ From: Sharma, Sreejith Sent: Saturday, January 06, 2018 8:24 PM To: users-list@monetdb.orgmailto:users-list@monetdb.org Subject: MonetDB - Column Header Question All, Quick question - For a specific scenario I would like to understand below - If we don't specify column header in SQL or alias, how is MonetDB picks up the column header? And what is the datatype for it? I saw it's hge (scalar type) is it so? Also, I would like to know where in source code it's happening. Example: SELECT SUM(COLUMN_NAME) FROM TABLE_NAME; ------------------+ | L3 | ------------------+ |123456678 | ------------------+ Regards, Sreejith