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Handy Neo4j Queries
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| // count all node labels | |
| MATCH (n) | |
| RETURN labels(n), count(DISTINCT n); | |
| // describe metagraph | |
| CALL db.schema(); | |
| // list node stats | |
| // Sample some nodes, reporting on property and relationship counts per node. | |
| MATCH (n) WHERE rand() <= 0.1 | |
| RETURN | |
| DISTINCT labels(n), | |
| count(*) AS SampleSize, | |
| avg(size(keys(n))) as Avg_PropertyCount, | |
| min(size(keys(n))) as Min_PropertyCount, | |
| max(size(keys(n))) as Max_PropertyCount, | |
| avg(size( (n)-[]-() ) ) as Avg_RelationshipCount, | |
| min(size( (n)-[]-() ) ) as Min_RelationshipCount, | |
| max(size( (n)-[]-() ) ) as Max_RelationshipCount |
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