Database storage engines

World’s simplest database

set(key, value) {    echo "${key},${value}" > test.db}get(key) {    grep "^${key}," test.db | sed -e "s/^${key},//" | tail -n 1}

Hash Index

Segmentation, Merge, and Compaction

Problems in real database Implementation

SSTable and LSM

B-Tree

B-Tree vs LSM Tree

Analytical processing

Column-oriented database

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