0

Link Syntax SQL for Binary trees HackerRank I have 2 questions related this answer. First, can you explain where's 1 come from? Second, while I used B as my shorten name not b, this code cant work out, please help me why this is happened?

I expect that user will explain what's 1 in this code refer to, and explain more about syntax in mysql hackerrank

daniel alexandro
  • 1
  • 2
  • 2
    Please don’t link to external sites. All questions should be self-contained I.e. contain all the information necessary for someone to provide you with an answer. Also, all information should be provided as text rather than screenshots – NickW Jun 06 '23 at 09:42

0 Answers0