Pergunta de entrevista da empresa Meta

Scala: Write a program to find avg_word_length with test cases? Write a program to validate ip address with test cases ? SQL : Interviewer gave a schema with products, sales .Using that schema you have to write the sql queries .It is easy only but you have to understand the schema and time plays very important factor .I tried to answer 3 sql questions Lets hope for the best for onsite interview.