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Data Structures & AlgorithmsComplexity analysis up to graphs and DP.Operating SystemsProcesses, scheduling, memory and concurrency.Database Management SystemsRelational modelling, transactions and indexing.Computer NetworksFrom wires and radio waves up to the web.

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Database Management Systems

Foundations of DBMS6

Relational Model, Algebra & Calculus6

Integrity Constraints & Normal Forms6

File Organization & Indexing7

Storage devices and file basics
RAID: combining disks for speed and safety
File organization: heap, sequential, and hashing
Indexing fundamentals: dense, sparse, and multilevel indexes
B-tree indexing
B+ tree indexing
Hashing techniques: static and dynamic

Transactions & Concurrency Control9

Query Processing, Optimization & Distributed DBs5

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Database Management Systems

Foundations of DBMS6

Relational Model, Algebra & Calculus6

Integrity Constraints & Normal Forms6

File Organization & Indexing7

Storage devices and file basics
RAID: combining disks for speed and safety
File organization: heap, sequential, and hashing
Indexing fundamentals: dense, sparse, and multilevel indexes
B-tree indexing
B+ tree indexing
Hashing techniques: static and dynamic

Transactions & Concurrency Control9

Query Processing, Optimization & Distributed DBs5

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RAID: combining disks for speed and safety

How RAID levels 0, 1, 5, and 10 trade off performance, storage efficiency, and fault tolerance by spreading and duplicating data across multiple physical disks.

8 min readUpdated 2026-09-04dbmsraidstorage