cypher documentation to find out more about indexes and constraints (neo com/docs/stable/cypherdoc-labels-constraints-and-indexes htmlnow that we've created our datawe can query it the following query will return all nodes and relationships in the databasefind all nodes (nand all their relationships [rmatch ( )-[ ]-(return , show all nodes and all relationships figure shows the database that we've created we can compare this graph with the graph we've envisioned on our whiteboard on our whiteboard we grouped nodes of people in label "userand nodes of countries in label "countryalthough the nodes in this figure aren' represented by their labelsthe labels are present in our database besides thatwe also miss node (hobbyand relationship of type "lovesthese can be easily added through merge statement that will create the node and relationship if they don' exist alreadymerge (user )-[loves]->hobby figure the graph drawn in figure now has been created in the neo web interface the nodes aren' represented by their labels but by their names we can infer from the graph that we're missing the label hobby with the name traveling the reason for this is because we have forgotten to include this node and its corresponding relationship in the create statement