-7739?) UNION ALL SELECT 90,90,CONCAT(0x7176766271,0x46656a61706f726c4949584374564a416d57424f4647797

Describe -7739?) UNION ALL SELECT 90,90,CONCAT(0x7176766271,0x46656a61706f726c4949584374564a416d57424f4647797 here.