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| id | scale | dataModel | cost | reliability | queriesPerSec |
|---|---|---|---|---|---|
| PostgreSQL | medium to enterprise | relational | $$ - $$$ | ★★★★★ | 50000 |
| MongoDB | small to enterprise | document | $$ - $$$$ | ★★★★☆ | 100000 |
| Redis | small to large | key-value | $ - $$ | ★★★★★ | 200000 |
| Elasticsearch | medium to enterprise | document/search | $$$ - $$$$ | ★★★★☆ | 80000 |
| Neo4j | small to large | graph | $$ - $$$ | ★★★★☆ | 40000 |