db-hierarchy.svg

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<text text-anchor="middle" x="487.85" y="-14.3" font-family="Times,serif" font-size="14.00">B&#45;Tree</text>
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<text text-anchor="middle" x="597.85" y="-14.3" font-family="Times,serif" font-size="14.00">LevelDB</text>
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<title>leveldb&#45;&gt;flat_kv</title>
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<!-- datastore -->
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<text text-anchor="middle" x="816.85" y="-174.67" font-family="Times,serif" font-size="14.00">NoSQL</text>
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