permissions[user] = {
"a" => :insert, "r" => :select, "w" => :update, "d" => :delete,
"D" => :truncate, "x" => :references, "t" => :trigger
permissions[user] = {
"a" => :insert, "r" => :select, "w" => :update, "d" => :delete,
"D" => :truncate, "x" => :references, "t" => :trigger