5 articles
Joins are where most SQL learners stall. Here's each join type explained by what it does to your row count, the traps that silently break queries, and how to debug a join that returns too many rows.
The SQL questions that actually come up in campus and fresher interviews — with the answers interviewers are listening for, and the follow-ups that separate memorised answers from real understanding.
Normalization, explained by fixing one broken table step by step — what each normal form actually prevents, and when experienced teams deliberately break the rules.
A live AI interviewer lets you rehearse out loud, on demand, without booking anyone's time. Here's how to use AI mock interviews to fix fluency, structure and nerves before the real round.
The Python questions interviewers actually ask freshers — lists vs tuples, decorators, GIL, comprehensions and more, each with a crisp answer you can say out loud.
