Topic Assessments•3 Quizzes Available
Databases & Storage Quizzes
ACID transactions, isolation levels, write-ahead logging (WAL), sharding & NoSQL stores.
3Free
0Pro
30Questions
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Available Databases & Storage Assessments
Choose a quiz below to test your runtime knowledge under realistic constraints.
FreeIntermediate
Storage Engines, WAL & Sharding
Understand LSM Trees vs B-Trees, Write-Ahead Logging, table partitioning, horizontal sharding, and consistent hashing.
10 Questions
15 mins
FreeBeginner
Redis Internals, Data Structures & Caching
Explore Redis in-memory single-threaded architecture, eviction policies (LRU/LFU), Hashes, Sets, Sorted Sets (ZSET), and Lua scripting.
10 Questions
15 mins
FreeIntermediate
Database Replication, Consensus & MVCC
Understand synchronous vs asynchronous replication, replication lag, split-brain, Raft consensus, and quorum reads/writes.
10 Questions
15 mins