SELECT * FROM `bids` as b where amount = (select max( amount) from bids where userid = b.userid) and timestamp = (select max( timestamp) from bids where userid = b.userid) group by userid For examples id userid timestamp amount 1 101 1122334 223 2 102 1222334 323 3 101 1322334 523 4 102 1522334 723 5 101 1622334 283 6 102 1722334 293 7 102 1822334 233 8 102 2222334 203 id userid timestamp amount 1 101 1622334 283 2 102 2222334 203
I am a PHP programmer, i have strong knowledge of various technologies like Web 2.0, LAMP , SAAS, WAAS.