DB<3> x @accounts_2
0  ARRAY(0x1ca7364)
   0  'x1'
   1  'y1'
   2  'z1'
   3  'v1'
   4  'w1'
1  ARRAY(0x1ca2b30)
   0  'x2'
   1  'y2'
   2  'zzz2'
   3  'v2'
   4  'w2'
2  ARRAY(0x1cbe7cc)
   0  'x3'
   1  'y3'
   2  'z3'
   3  'v3'
   4  'w3'
3  ARRAY(0x1cbe88c)
   0  'x4'
   1  'y4'
   2  ''              # reflects data change above
   3  'v4'
   4  'wwww4'
4  ARRAY(0x1cbf97c)
   0  'x5'
   1  'y5'
   2  'z5'
   3  'v5'
   4  'w5'
5  ARRAY(0x1cbe8bc)
   0  'x6'
   1  'y6'
   2  'z6'
   3  'v6'
   4  ''