Skip to contentSkip to footer
      employer cover photo
      employer logo
      employer logo

      Antra

      Is this your company?

      Antra Java Developer interview

      Antra Interview Question

      Java Developer Interview

      What is the diff between union and union all?

      Interview Answers

      Anonymous

      Aug 28, 2019

      union: combine two table without duplication union all: with duplication

      Anonymous

      Mar 4, 2017

      Union statement combines result of two or more SELECT statement, the UNION statement only select distinct values, while UNION ALL select all the values including the duplicates.

      Related searches: Antra reviews | Antra jobs | Antra salaries | Antra benefits
      Antra interviews