Re: [SQL] update from multiple rows

Thanks for your answer (BIn fact the computation is somewhat more complex than an average and the (Bdata set is quite large... I did some test with view & triggers but it's (Btoo slow.. (BMoreover, sometime i need to do big insertion or update and then other time (Bi need juste little updat

[SQL] update from multiple rows

hi (B I have some trouble updating a table like this one : (B date | data_raw | data_sys (B 12-01 | 5 | 4.5 (B 13-01 | 6 | 6 (B 14-01 | 7 | 8 (B (BI would like to update the 'data_sys' ro