... defined in the SQL standard, so each brand of data-base implements it in their own nonstandard way. The terminology,syntax, and specific features of partitioning vary between brands. Nev-ertheless, ... several users’ accounts, but the nature of each association is unique. One is the user who reported the bug, another is a programmer assigned to fix the bug, and another is the quality control engineer ... to the point where the samequery may not have acceptable performance. Using indexes intelligentlyhelps, but nevertheless the tables grow, and this affects the speed of queries against them.The...