Saturday, April 4, 2020

Datatype for phone number in MySQL

2 comments:

  1. Thanks for providing recent updates regarding the concern, I look forward to read more. Ben Luker Perth

    ReplyDelete
  2. Thanks for this, we've been trying to update our database at www.tellows-au.com and this hits the nail on the head, very relevant given it's about phone numbers.

    ReplyDelete

Is the number of all INTO functions from the set {1, 2, 3, ..... n} to itself equal to all number of MANY to ONE fuctions?

Yes,  t he number of all into functions from the set {1, 2, 3, .... n} to itself is exactly equal to the number of many-to-one functions ...