4 questions · 3 answered
SQL questions
Questions asked by learners preparing for interviews and placements, answered by other members. Ask your own and it appears here too.
- 0answers 1votes study partner for SQL? evenings beginner-intermediate, want someone to practise with in the evenings (IST) SQLSimran Kaur·27 days ago
- 3answers 9votes RANK vs DENSE_RANK vs ROW_NUMBER always mix up the first two. small example anyone? SQLSakshi Jain·28 days ago
- 4answers 5votes SQL battle group, Mon/Wed/Sat 9pm Looking for 4-5 people to do SQL battles regularly. You should know joins and group by, we can move to window functions later. Will post room codes here before… SQLManish Tiwari·1 month ago
- 3answers 12votes WHERE vs HAVING - can you use HAVING without GROUP BY? I know WHERE filters rows before grouping and HAVING filters groups after. But a quiz asked whether HAVING works without GROUP BY and I said no. Answer was yes… SQLRitika Malhotra·2 months ago
Learn SQL properly
Structured lessons on DSA, core CS, Java and interview skills, each ending in a quiz so you know it stuck.