DB<1> @hash{'schema','log',a..c}=('s','l',1..3)

  DB<2> x \%hash
0  HASH(0x3168da0)
   'a' => 1
   'b' => 2
   'c' => 3
   'log' => 'l'
   'schema' => 's'
  DB<3>  x +{ %hash{grep !/^schema|log$/, keys %hash } }  # Note °
0  HASH(0x32e09d8)
   'a' => 1
   'b' => 2
   'c' => 3
  DB<4>