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  1. Practice
  2. SQL
  3. Basic Join
  4. The Report
  5. Discussions

The Report

  • alexpat + 2 comments

    if(..., ..., ...) statement will be better, i think

    select if(grade > 7, name, null), grade, marks 
from students, grades 
where marks between min_mark and max_mark 
order by grade desc, name
    • athithyaaselvam + 1 comment

      Hey alex, whats the use of this statement " where marks between min_mark and max_mark " ?

      • sauce_chili + 0 comments

        it will give us a result of grade if student marks are between in the min_mark and max_mark

    • basdeo_nevada + 1 comment

      This works in MySQL but not in Oracle, does anybody know why? 

      select if(grades.grade > 7, students.name, null), grades.grade, students.marks 
from students, grades 
where marks between min_mark and max_mark 
order by grade desc, name;
      • xinwzh + 0 comments

        it does not enforce ordering by makrs when there is a tie for grade < 8.