What does the following Cypher query express? a. Get the node for Bart Baesens and a count

Question:

What does the following Cypher query express?

OPTIONAL MATCH (user: User)-[:FRIENDS_WITH]- (friend: User) WHERE user.name = "Bart Baesens" RETURN user,

a. Get the node for Bart Baesens and a count of all his friends, but only if at least one FRIENDS_WITH relation exists.

b. Get the node for Bart Baesens and a count of all his friends, even if no FRIENDS_WITH relation exists.

c. This query will fail if Bart Baesens is FRIENDS_WITH himself.

d. Get the node for Bart Baesens and all his friends.

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Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

ISBN: 9781107186125

1st Edition

Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens

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Question Posted: Dec 16, 2023 04:11 AM

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What does the following Cypher query express? a. Get the node for Bart Baesens and a count

Question:

OPTIONAL MATCH (user: User)-[:FRIENDS_WITH]- (friend: User) WHERE user.name = "Bart Baesens" RETURN user, count(friend) AS NumberOfFriends

Step by Step Answer:

The following Cypher query expresses option b Get the node for ...View the full answer

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

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