<p>There simply is none. There's a key value store in LevelDB for the UTXO, and for miscellaneous things like the locations of block files on disk. Relational databses are far too slow for the task, and unnecessary given the type of information being stored.</p>

CC BY-SA 4.0
2019-05-19T14:23:23.117Z
2019-05-19T14:23:23.117Z
Claris
<p>What databases do bitcoin core (nodes) uses? And how looks tables structure? I can't find it anywhere...</p>

CC BY-SA 4.0
2019-05-19T13:50:33.363Z
LevelDB and BerkeleyDB?
MCCCS
CC BY-SA 4.0
2019-05-19T14:23:28.677Z
BDB is not used for storing block chain data and is included for historical reasons.
Claris
<database>
What database tables structure do bitcoin uses?
Michal
# What database tables structure do bitcoin uses?

(Asked by: username_0 on 2019-05-19)

What databases do bitcoin core (nodes) uses? And how looks tables structure? I can't find it anywhere...

**Tags:** database

> **Comments:**
> **username_1**: LevelDB and BerkeleyDB?  
> **username_2**: BDB is not used for storing block chain data and is included for historical reasons.  

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## 1 answers

### Answer by username_2 on 2019-05-19. Score: 4

There simply is none. There's a key value store in LevelDB for the UTXO, and for miscellaneous things like the locations of block files on disk. Relational databses are far too slow for the task, and unnecessary given the type of information being stored.


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