| Join Telegram |  |
| Join Whatsapp Groups |  |
Neo4j MCQs and Answers With Explanation: Neo4j is a very well-liked and potent graph database management solution that has become very popular recently. It is frequently used in a range of industries, including finance, healthcare, and e-commerce, for managing large, complicated, and interrelated data sets. It’s critical to have a firm grasp of Neo4j’s capabilities and functioning in order to operate with it effectively. The Neo4J MCQ Questions & Answers with Explanation can be quite helpful to learn more about this concept. Your knowledge of Neo4j will be put to the test by these Neo4j MCQs.
Neo4J MCQ Questions & Answers
Developers, data analysts, and data scientists are becoming more and more familiar with Neo4j, a graph database management system. It has a special combination of capabilities that make it suited for various applications and provides a strong and flexible solution to manage connected data sets. Neo4J Multiple Choice Questions with Explanations can help in this situation. You can increase your understanding of Neo4j and your proficiency with it by taking this Neo4J Quiz that includes multiple-choice questions and thorough explanations. The Top 55 Neo4j MCQs with Answers are provided in this article to aid in your interview and exam preparation as well as to broaden your knowledge of Neo4j.
Neo4J Multiple Choice Questions
| Name | Neo4j |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 55 Neo4j MCQs with Answers | Practice Neo4J Quiz
1. What is Neo4j?
a) A graph database management system
b) A relational database management system
c) A document database management system
d) A key-value store
Answer: a) A graph database management system
Explanation: Neo4j is a graph database management system that stores and manages data in the form of graphs. It provides efficient and flexible ways to model, query, and analyze complex, connected data.
2. What is a graph database?
a) A database that stores data in tables
b) A database that stores data in graphs
c) A database that stores data in documents
d) A database that stores data in key-value pairs
Answer: b) A database that stores data in graphs
Explanation: A graph database is a database that stores data in the form of nodes and edges, or vertices and edges, which form a graph. This allows for efficient querying and analysis of complex, connected data.
3. What is a node in a graph database?
a) A connection between two nodes
b) A property of a node
c) A label that describes a node
d) A data point in a graph
Answer: d) A data point in a graph
Explanation: A node in a graph database represents a data point or entity, such as a person, place, or thing. It typically has properties that describe it and labels that categorize it.
4. What is an edge in a graph database?
a) A connection between two nodes
b) A property of a node
c) A label that describes a node
d) A data point in a graph
Answer: a) A connection between two nodes
Explanation: An edge in a graph database represents a relationship or connection between two nodes. It typically has a type or label that describes the nature of the relationship.
5. What is a property in a graph database?
a) A connection between two nodes
b) A data point in a graph
c) A label that describes a node
d) A value associated with a node or edge
Answer: d) A value associated with a node or edge
Explanation: A property in a graph database is a value associated with a node or edge. It can be used to describe attributes or characteristics of the data point or relationship.
6. What is a label in a graph database?
a) A connection between two nodes
b) A data point in a graph
c) A value associated with a node or edge
d) A category that describes a node
Answer: d) A category that describes a node
Explanation: A label in a graph database is a category that describes a node. It can be used to group nodes together based on common characteristics or attributes.
7. What is a relationship in a graph database?
a) A property of a node
b) A connection between two nodes
c) A label that describes a node
d) A data point in a graph
Answer: b) A connection between two nodes
Explanation: A relationship in a graph database is a connection between two nodes that represents a relationship or connection between them. It typically has a type or label that describes the nature of the relationship.
8. What is a property graph?
a) A graph database that stores data in tables
b) A graph database that stores data in documents
c) A graph database that stores data in key-value pairs
d) A graph database that stores data as nodes, edges, and properties
Answer: d) A graph database that stores data as nodes, edges, and properties
Explanation: A property graph is a type of graph database that stores data as nodes, edges, and properties. It allows for flexible and efficient querying of complex, connected data.
9. What is Cypher?
a) A programming language used for creating and querying graph databases
b) A programming language used for creating and querying relational databases
c) A programming language used for creating and querying document databases
d) A programming language used for creating and querying key-value stores
Answer: a) A programming language used for creating and querying graph databases
Explanation: Cypher is a declarative graph query language used for creating and querying graph databases. It is designed to be intuitive and expressive, allowing users to easily model and query complex, connected data.
10. What is a pattern in Cypher?
a) A group of nodes and edges that match certain criteria
b) A type of query used to create new nodes and relationships
c) A way of specifying a range of values in a query
d) A way of specifying the order in which nodes and relationships are returned in a query
Answer: a) A group of nodes and edges that match certain criteria
Explanation: In Cypher, a pattern is a group of nodes and edges that match certain criteria. It can be used to specify the structure of the data that the query should match and return.
11. What is a match clause in Cypher?
a) A clause used to specify the nodes and relationships to include in a query
b) A clause used to create new nodes and relationships
c) A clause used to specify the order in which nodes and relationships are returned in a query
d) A clause used to specify the range of values to include in a query
Answer: a) A clause used to specify the nodes and relationships to include in a query
Explanation: The match clause in Cypher is used to specify the nodes and relationships to include in a query. It is typically used to specify a pattern that the query should match.
12. What is a where clause in Cypher?
a) A clause used to filter the nodes and relationships returned by a query
b) A clause used to create new nodes and relationships
c) A clause used to specify the order in which nodes and relationships are returned in a query
d) A clause used to specify the range of values to include in a query
Answer: a) A clause used to filter the nodes and relationships returned by a query
Explanation: The where clause in Cypher is used to filter the nodes and relationships returned by a query based on a set of conditions. It is typically used to refine the results of a match clause.
13. What is a return clause in Cypher?
a) A clause used to specify the nodes and relationships to include in a query
b) A clause used to filter the nodes and relationships returned by a query
c) A clause used to create new nodes and relationships
d) A clause used to specify the properties to return for nodes and relationships
Answer: d) A clause used to specify the properties to return for nodes and relationships
Explanation: The return clause in Cypher is used to specify the properties to return for nodes and relationships. It allows users to control the data returned by a query.
14. What is a limit clause in Cypher?
a) A clause used to specify the nodes and relationships to include in a query
b) A clause used to filter the nodes and relationships returned by a query
c) A clause used to limit the number of nodes and relationships returned by a query
d) A clause used to specify the order in which nodes and relationships are returned in a query
Answer: c) A clause used to limit the number of nodes and relationships returned by a query
Explanation: The limit clause in Cypher is used to limit the number of nodes and relationships returned by a query. It is often used in combination with other clauses to control the size of the result set.
15. What is a skip clause in Cypher?
a) A clause used to specify the nodes and relationships to include in a query
b) A clause used to filter the nodes and relationships returned by a query
c) A clause used to skip a certain number of nodes and relationships in the result set
d) A clause used to specify the order in which nodes and relationships are returned in a query
Answer: c) A clause used to skip a certain number of nodes and relationships in the result set
Explanation: The skip clause in Cypher is used to skip a certain number of nodes and relationships in the result set. It is often used in combination with the limit clause to paginate query results.
16. What is an order by clause in Cypher?
a) A clause used to specify the nodes and relationships to include in a query
b) A clause used to filter the nodes and relationships returned by a query
c) A clause used to specify the order in which nodes and relationships are returned in a query
d) A clause used to specify the properties to return for nodes and relationships
Answer: c) A clause used to specify the order in which nodes and relationships are returned in a query
Explanation: The order by clause in Cypher is used to specify the order in which nodes and relationships are returned in a query. It can be used to sort the result set based on the values of one or more properties.
17. What is a create clause in Cypher?
a) A clause used to create new nodes and relationships
b) A clause used to specify the nodes and relationships to include in a query
c) A clause used to filter the nodes and relationships returned by a query
d) A clause used to specify the order in which nodes and relationships are returned in a query
Answer: a) A clause used to create new nodes and relationships
Explanation: The create clause in Cypher is used to create new nodes and relationships in a graph database. It can be used to add new data to the graph.
18. What is a merge clause in Cypher?
a) A clause used to create new nodes and relationships if they do not already exist, or to update them if they do
b) A clause used to specify the nodes and relationships to include in a query
c) A clause used to filter the nodes and relationships returned by a query
d) A clause used to specify the order in which nodes and relationships are returned in a query
Answer: a) A clause used to create new nodes and relationships if they do not already exist, or to update them if they do
Explanation: The merge clause in Cypher is used to create new nodes and relationships if they do not already exist, or to update them if they do. It can be used to add or update data in the graph.
19. What is a set clause in Cypher?
a) A clause used to set the properties of nodes and relationships in a query
b) A clause used to specify the nodes and relationships to include in a query
c) A clause used to filter the nodes and relationships returned by a query
d) A clause used to specify the order in which nodes and relationships are returned in a query
Answer: a) A clause used to set the properties of nodes and relationships in a query
Explanation: The set clause in Cypher is used to set the properties of nodes and relationships in a query. It can be used to update the data stored in the graph.
20. What is an unwind clause in Cypher?
a) A clause used to unwind a collection and create nodes and relationships for each item in the collection
b) A clause used to specify the nodes and relationships to include in a query
c) A clause used to filter the nodes and relationships returned by a query
d) A clause used to specify the order in which nodes and relationships are returned in a query
Answer: a) A clause used to unwind a collection and create nodes and relationships for each item in the collection
Explanation: The unwind clause in Cypher is used to unwind a collection and create nodes and relationships for each item in the collection. It can be used to create multiple nodes and relationships from a single collection.
21. What is an APOC library in Neo4j?
a) A library of algorithms for graph analytics
b) A library of utility functions for working with Neo4j
c) A library of query templates for common graph database tasks
d) A library of graph data models for different use cases
Answer: b) A library of utility functions for working with Neo4j
Explanation: APOC (Awesome Procedures on Cypher) is a library of utility functions for working with Neo4j. It provides a wide range of procedures, functions, and utilities that can be used to enhance the functionality of Neo4j.
22. Which of the following is a built-in function in Cypher for working with regular expressions?
a) startsWith
b) contains
c) regex
d) toLower
Answer: c) regex
Explanation: The regex function is a built-in function in Cypher for working with regular expressions. It can be used to match patterns in strings.
23. Which of the following is a built-in function in Cypher for working with dates and times?
a) length
b) size
c) dateTime
d) lower
Answer: c) dateTime
Explanation: The dateTime function is a built-in function in Cypher for working with dates and times. It can be used to parse and format date and time values.
24. Which of the following is a built-in function in Cypher for working with numbers?
a) round
b) join
c) replace
d) toUpper
Answer: a) round
Explanation: The round function is a built-in function in Cypher for working with numbers. It can be used to round a number to a specified number of decimal places.
25. Which of the following is a built-in function in Cypher for working with strings?
a) min
b) max
c) replace
d) sum
Answer: c) replace
Explanation: The replace function is a built-in function in Cypher for working with strings. It can be used to replace a substring in a string with another substring.
26. Which of the following is a built-in function in Cypher for working with collections?
a) join
b) split
c) lower
d) upper
Answer: a) join
Explanation: The join function is a built-in function in Cypher for working with collections. It can be used to concatenate the elements of a collection into a single string.
27. What is a label in Neo4j?
a) A property that provides additional information about a node or relationship
b) A named grouping of nodes that share a common characteristic or purpose
c) A type of relationship that connects nodes of the same label
d) A constraint that enforces uniqueness on node or relationship properties
Answer: b) A named grouping of nodes that share a common characteristic or purpose
Explanation: A label in Neo4j is a named grouping of nodes that share a common characteristic or purpose. Labels are used to organize nodes and make them easier to query.
28. What is a property in Neo4j?
a) A named grouping of nodes that share a common characteristic or purpose
b) A type of relationship that connects nodes of the same label
c) A constraint that enforces uniqueness on node or relationship properties
d) An attribute of a node or relationship that contains data
Answer: d) An attribute of a node or relationship that contains data
Explanation: In Neo4j, a property is an attribute of a node or relationship that contains data. Properties can be used to store any type of data, such as strings, numbers, or dates.
29. What is a constraint in Neo4j?
a) A named grouping of nodes that share a common characteristic or purpose
b) A type of relationship that connects nodes of the same label
c) An index that speeds up queries on a property
d) A rule that enforces a condition on node or relationship properties
Answer: d) A rule that enforces a condition on node or relationship properties
Explanation: In Neo4j, a constraint is a rule that enforces a condition on node or relationship properties. Constraints can be used to ensure data integrity and enforce business rules.
30. Which of the following is a constraint type in Neo4j?
a) Primary key constraint
b) Unique constraint
c) Check constraint
d) All of the above
Answer: d) All of the above
Explanation: Neo4j supports primary key, unique, and check constraints on node and relationship properties.
31. What is the difference between a primary key and a unique constraint in Neo4j?
a) A primary key is a unique identifier for a node or relationship, while a unique constraint enforces uniqueness on a property
b) A primary key enforces uniqueness on a property, while a unique constraint is a unique identifier for a node or relationship
c) There is no difference between a primary key and a unique constraint in Neo4j
d) A primary key enforces uniqueness on a combination of properties, while a unique constraint enforces uniqueness on a single property
Answer: a) A primary key is a unique identifier for a node or relationship, while a unique constraint enforces uniqueness on a property
Explanation: In Neo4j, a primary key is a unique identifier for a node or relationship, while a unique constraint enforces uniqueness on a property.
32. Which of the following is a valid syntax for creating a unique constraint on a property in Neo4j?
a) CREATE UNIQUE CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
b) CREATE CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
c) CREATE UNIQUE CONSTRAINT node.property IS UNIQUE
d) CREATE CONSTRAINT node.property IS UNIQUE
Answer: b) CREATE CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
Explanation: The syntax for creating a unique constraint on a property in Neo4j is:
CREATE CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
33. Which of the following is a valid syntax for creating a primary key constraint on a node in Neo4j?
a) CREATE PRIMARY KEY CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
b) CREATE CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE PRIMARY KEY
c) CREATE CONSTRAINT ON (node:Label) ASSERT node.property IS PRIMARY KEY
d) CREATE CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE AND PRIMARY KEY
Answer: a) CREATE PRIMARY KEY CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
Explanation: The syntax for creating a primary key constraint on a node in Neo4j is:
CREATE PRIMARY KEY CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
34. Which of the following is a valid syntax for dropping a constraint in Neo4j?
a) DROP CONSTRAINT (node:Label) ASSERT node.property IS UNIQUE
b) DROP CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
c) DROP CONSTRAINT node.property IS UNIQUE
d) None of the above
Answer: b) DROP CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
Explanation: The syntax for dropping a constraint in Neo4j is:
DROP CONSTRAINT ON (node:Label) ASSERT node.property IS UNIQUE
35. Which of the following is a valid syntax for adding a label to a node in Neo4j?
a) MATCH (node) SET node:Label
b) MATCH (node) ADD node:Label
c) CREATE (node:Label)
d) All of the above
Answer: a) MATCH (node) SET node:Label
Explanation: The syntax for adding a label to a node in Neo4j is:
MATCH (node) SET node:Label
36. Which of the following is a valid syntax for removing a label from a node in Neo4j?
a) MATCH (node) REMOVE node:Label
b) MATCH (node) DELETE node:Label
c) DELETE (node:Label)
d) None of the above
Answer: a) MATCH (node) REMOVE node:Label
Explanation: The syntax for removing a label from a node in Neo4j is:
MATCH (node) REMOVE node:Label
37. What is the relationship type in Neo4j?
a) A named grouping of nodes that share a common characteristic or purpose
b) A type of constraint that enforces uniqueness on a property
c) A type of relationship that connects nodes of the same label
d) A type of index that speeds up queries on a property
Answer: c) A type of relationship that connects nodes of the same label
Explanation: In Neo4j, a relationship type is a type of relationship that connects nodes of the same label.
38. Which of the following is a valid syntax for creating a relationship with a type in Neo4j?
a) CREATE (nodea)-[r]->(nodeb) SET r.type = “TYPE”
b) CREATE (nodea)-[TYPE]->(nodeb)
c) CREATE (nodea)-[:TYPE]->(nodeb)
d) None of the above
Answer: c) CREATE (nodea)-[:TYPE]->(nodeb)
Explanation: The syntax for creating a relationship with a type in Neo4j is:
CREATE (nodea)-[:TYPE]->(nodeb)
39. Which of the following is a valid syntax for deleting a relationship with a type in Neo4j?
a) DELETE (nodea)-[r:TYPE]->(nodeb)
b) DELETE (nodea)-[:TYPE]->(nodeb)
c) MATCH (nodea)-[r:TYPE]->(nodeb) DELETE r
d) All of the above
Answer: d) All of the above
Explanation: All of the above syntax are valid for deleting a relationship with a type in Neo4j.
40. What is a path in Neo4j?
a) A named grouping of nodes that share a common characteristic or purpose
b) A sequence of nodes and relationships that connect two nodes
c) A type of constraint that enforces uniqueness on a property
d) An attribute of a node or relationship that contains data
Answer: b) A sequence of nodes and relationships that connect two nodes
Explanation: In Neo4j, a path is a sequence of nodes and relationships that connect two nodes.
41. Which of the following is a valid syntax for finding a path between two nodes in Neo4j?
a) MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) RETURN path
b) MATCH (nodea)-[r]->(nodeb) RETURN r
c) CREATE path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) RETURN path
d) None of the above
Answer: a) MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) RETURN path
Explanation: The syntax for finding a path between two nodes in Neo4j is:
MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) RETURN path
42. Which of the following is a valid syntax for limiting the length of a path in Neo4j?
a) MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) WHERE LENGTH(path) <= n RETURN path
b) MATCH path = (nodea)-[:RELATIONSHIP_TYPEn]->(nodeb) RETURN path
c) MATCH path = (nodea)-[:RELATIONSHIP_TYPE]->(nodeb) LIMIT n RETURN path
d) None of the above
Answer: a) MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) WHERE LENGTH(path) <= n RETURN path
Explanation: The syntax for limiting the length of a path in Neo4j is:
MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) WHERE LENGTH(path) <= n RETURN path
43. Which of the following is a valid syntax for sorting query results in Neo4j?
a) ORDER BY property
b) SORT BY property
c) GROUP BY property
d) None of the above
Answer: a) ORDER BY property
Explanation: The syntax for sorting query results in Neo4j is: ORDER BY property
44. Which of the following is a valid syntax for finding all nodes that have a certain label in Neo4j?
a) MATCH (node:Label) RETURN node
b) MATCH (node)-[:HAS_LABEL]->(Label) RETURN node
c) MATCH (node) WHERE node:Label RETURN node
d) None of the above
Answer: a) MATCH (node:Label) RETURN node
Explanation: The syntax for finding all nodes that have a certain label in Neo4j is:
MATCH (node:Label) RETURN node
45. Which of the following is a valid syntax for finding all relationships with a certain type in Neo4j?
a) MATCH ()-[r]->() WHERE r.type = “TYPE” RETURN r
b) MATCH ()-[r:TYPE]->() RETURN r
c) MATCH ()-[r]->() WHERE TYPE(r) = “TYPE” RETURN r
d) All of the above
Answer: b) MATCH ()-[r:TYPE]->() RETURN r
Explanation: The syntax for finding all relationships with a certain type in Neo4j is:
MATCH ()-[r:TYPE]->() RETURN r
46. Which of the following is a valid syntax for finding all nodes that are connected to a specific node with a certain relationship type in Neo4j?
a) MATCH (node)-[:RELATIONSHIP_TYPE]->(connected_node) RETURN connected_node
b) MATCH (connected_node)-[:RELATIONSHIP_TYPE]->(node) RETURN connected_node
c) MATCH (node)-[:RELATIONSHIP_TYPE]-(connected_node) RETURN connected_node
d) All of the above
Answer: d) All of the above
Explanation: All of the given options are valid syntax for finding all nodes that are connected to a specific node with a certain relationship type in Neo4j.
47. Which of the following is a valid syntax for finding all nodes that are not connected to a specific node with a certain relationship type in Neo4j?
a) MATCH (node)-[:RELATIONSHIP_TYPE]-(connected_node) WHERE NOT connected_node = target_node RETURN node
b) MATCH (node)-[:RELATIONSHIP_TYPE]->() WHERE NOT ()-[:RELATIONSHIP_TYPE]->(target_node) RETURN node
c) MATCH (node)-[:RELATIONSHIP_TYPE*]-(connected_node) WHERE NOT connected_node = target_node RETURN node
d) None of the above
Answer: b) MATCH (node)-[:RELATIONSHIP_TYPE]->() WHERE NOT ()-[:RELATIONSHIP_TYPE]->(target_node) RETURN node
Explanation: The syntax for finding all nodes that are not connected to a specific node with a certain relationship type in Neo4j is:
MATCH (node)-[:RELATIONSHIP_TYPE]->() WHERE NOT ()-[:RELATIONSHIP_TYPE]->(target_node) RETURN node
48. Which of the following is a valid syntax for finding all nodes that are connected to a specific node with any relationship type in Neo4j?
a) MATCH (node)-[:]-(connected_node) RETURN connected_node
b) MATCH (node)-[]-(connected_node) RETURN connected_node
c) MATCH (node)-[:*]->(connected_node) RETURN connected_node
d) All of the above
Answer: b) MATCH (node)-[*]-(connected_node) RETURN connected_node
Explanation: The syntax for finding all nodes that are connected to a specific node with any relationship type in Neo4j is:
MATCH (node)-[*]-(connected_node) RETURN connected_node
49. Which of the following is a valid syntax for finding all nodes that are connected to a specific node with any relationship type and a maximum depth in Neo4j?
a) MATCH (node)-[..n]-(connected_node) RETURN connected_node
b) MATCH (node)-[:..n]->(connected_node) RETURN connected_node
c) MATCH (node)-[*]-() WHERE LENGTH(path) <= n RETURN connected_node
d) All of the above
Answer: a) MATCH (node)-[*..n]-(connected_node) RETURN connected_node
Explanation: The syntax for finding all nodes that are connected to a specific node with any relationship type and a maximum depth in Neo4j is:
MATCH (node)-[*..n]-(connected_node) RETURN connected_node
Here, “n” represents the maximum depth of the path.
50. Which of the following is a valid syntax for finding the shortest path between two nodes in Neo4j?
a) MATCH path = shortestPath((nodea)-[:RELATIONSHIP_TYPE*]->(nodeb)) RETURN path
b) MATCH path = (nodea)-[:RELATIONSHIP_TYPE*]->(nodeb) RETURN shortestPath(path)
c) MATCH path = shortestPath((nodea)-[:RELATIONSHIP_TYPE]->(nodeb)) RETURN path
d) None of the above
Answer: a) MATCH path = shortestPath((nodea)-[:RELATIONSHIP_TYPE*]->(nodeb)) RETURN path
Explanation: The syntax for finding the shortest path between two nodes in Neo4j is:
MATCH path = shortestPath((nodea)-[:RELATIONSHIP_TYPE*]->(nodeb)) RETURN path
51. Which of the following is a valid syntax for creating a constraint on a label and a property in Neo4j?
a) CREATE CONSTRAINT ON (label_name) ASSERT (property_name) IS UNIQUE
b) CREATE CONSTRAINT ON (label_name:Label) ASSERT (property_name) IS UNIQUE
c) CREATE CONSTRAINT ON (label_name:Label) ASSERT (label_name.property_name) IS UNIQUE
d) None of the above
Answer: c) CREATE CONSTRAINT ON (label_name:Label) ASSERT (label_name.property_name) IS UNIQUE
Explanation: The syntax for creating a constraint on a label and a property in Neo4j is:
CREATE CONSTRAINT ON (label_name:Label) ASSERT (label_name.property_name) IS UNIQUE
52. Which of the following is a valid syntax for dropping a constraint on a label and a property in Neo4j?
a) DROP CONSTRAINT ON (label_name) ASSERT (property_name) IS UNIQUE
b) DROP CONSTRAINT ON (label_name:Label) ASSERT (property_name) IS UNIQUE
c) DROP CONSTRAINT ON (label_name:Label) ASSERT (label_name.property_name) IS UNIQUE
d) None of the above
Answer: c) DROP CONSTRAINT ON (label_name:Label) ASSERT (label_name.property_name) IS UNIQUE
Explanation: The syntax for dropping a constraint on a label and a property in Neo4j is:
DROP CONSTRAINT ON (label_name:Label) ASSERT (label_name.property_name) IS UNIQUE
53. Which of the following is a valid syntax for creating an index on a label and a property in Neo4j?
a) CREATE INDEX ON (label_name) (property_name)
b) CREATE INDEX ON (label_name:Label) (property_name)
c) CREATE INDEX ON (label_name:Label) USING BTREE(property_name)
d) All of the above
Answer: c) CREATE INDEX ON (label_name:Label) USING BTREE(property_name)
Explanation: The syntax for creating an index on a label and a property in Neo4j is:
CREATE INDEX ON (label_name:Label) USING BTREE(property_name)
54. Which of the following is a valid syntax for dropping an index on a label and a property in Neo4j?
a) DROP INDEX ON (label_name) (property_name)
b) DROP INDEX ON (label_name:Label) (property_name)
c) DROP INDEX ON (label_name:Label) USING BTREE(property_name)
d) None of the above
Answer: c) DROP INDEX ON (label_name:Label) USING BTREE(property_name)
Explanation: The syntax for dropping an index on a label and property in Neo4j is:
DROP INDEX ON (label_name:Label) USING BTREE(property_name)
55. Which of the following is a valid syntax for removing a property from a node in Neo4j?
a) REMOVE node.property_name
b) DELETE node.property_name
c) SET node.property_name = null
d) All of the above
Answer: d) All of the above
Explanation: The syntax for removing a property from a node in Neo4j can be any of the following:
REMOVE node.property_name
DELETE node.property_name
SET node.property_name = null
Neo4J Multiple Choice Questions are a great resource for anyone looking to improve their knowledge and skills regarding Neo4j. You can deepen your understanding of Neo4j by testing your understanding of its features and functionality with these Neo4J MCQ Questions & Answers. To stay updated on the latest technical quizzes related to IT, we recommend that you continue to follow our website, FreshersNow. Doing so will ensure that you receive frequent updates as they become available.