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DBMS and SQL Interview Questions Freshers Should Expect
Normalization, ACID, indexing, joins and isolation levels — the DBMS concepts that come up in nearly every placement interview, with answers that explain rather than recite.
7 min read -
The Operating Systems Questions Freshers Actually Get Asked
Process vs thread, deadlock, paging, scheduling — the OS concepts that keep coming up in placement interviews, and how to answer them without reciting definitions.
6 min read -
Big-O Notation, Explained Properly (In About 15 Minutes)
What time complexity actually measures, how to read it off a loop, and the handful of complexities that cover almost every placement interview question.
4 min read