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OrientDB MCQs and Answers With Explanation: Graph, document, key-value, and object-oriented database models are all supported by the open-source, NoSQL database OrientDB. It has strong performance, scalability, and reliability and is made to manage complex and diverse data. Applications like social networks, search engines, and content management systems all frequently employ OrientDB. OrientDB Multiple Choice Questions are a wonderful approach to evaluating your comprehension of OrientDB’s features and capabilities and increasing your level of familiarity with it. You can use the OrientDB MCQ Quiz on this page to help you get ready for OrientDB interviews and assessments.
OrientDB MCQs with Answers
These OrientDB MCQs and Answers are a helpful resource for anyone wishing to test their comprehension of OrientDB because it provides an OrientDB Quiz on subjects like its architecture, indexing, querying, data models, and more. Readers can gain a deeper understanding of OrientDB and improve their readiness for interviews and other tests in this field by practicing the Top 50 OrientDB MCQ Questions and Answers with the explanations provided.
OrientDB Multiple Choice Questions
| Name | OrientDB |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 50 OrientDB MCQ Questions and Answers | OrientDB Quiz
1. What is OrientDB?
a) A NoSQL graph database
b) A relational database management system
c) A document database
d) A key-value store
Answer: a) A NoSQL graph database
Explanation: OrientDB is a multi-model NoSQL graph database that can store data in various formats such as a graph, document, key-value, object-oriented, and reactive models. It is designed to support complex, connected data structures.
2. Which language is used to query OrientDB?
a) SQL
b) Cypher
c) Gremlin
d) SPARQL
Answer: a) SQL
Explanation: OrientDB supports an SQL-like query language called OrientSQL, which allows users to retrieve data from the database. However, it also supports other query languages such as Gremlin, Cypher, and SPARQL.
3. What is the storage engine used in OrientDB?
a) B-tree
b) LSM-tree
c) LSM-trie
d) LSM-tree with tiered compaction
Answer: d) LSM-tree with tiered compaction
Explanation: OrientDB uses LSM-tree (Log-Structured Merge Tree) with tiered compaction as its storage engine. It is a highly optimized and scalable data structure that allows for efficient storage and retrieval of data.
4. Which of the following is not a supported data type in OrientDB?
a) Integer
b) Float
c) Date
d) Timestamp with time zone
Answer: d) Timestamp with time zone
Explanation: OrientDB does not support the data type “Timestamp with time zone”. However, it supports other data types such as Integer, Float, Date, and Time.
5. What is the default port used by OrientDB?
a) 1433
b) 1521
c) 2480
d) 3306
Answer: c) 2480
Explanation: The default port used by OrientDB is 2480. However, it can be configured to use other ports as well.
6. Which of the following is a feature of OrientDB?
a) ACID transactions
b) Sharding
c) Replication
d) All of the above
Answer: d) All of the above
Explanation: OrientDB supports ACID transactions, sharding, and replication, which makes it a highly scalable and reliable database system.
7. What is the role of a cluster in OrientDB?
a) To store data
b) To distribute data across multiple servers
c) To optimize query performance
d) To manage user authentication
Answer: b) To distribute data across multiple servers
Explanation: A cluster in OrientDB is a group of servers that work together to distribute data across them. It helps to improve the scalability and availability of the database system.
8. Which of the following is not a supported index type in OrientDB?
a) Hash index
b) B-tree index
c) Full-text index
d) R-tree index
Answer: d) R-tree index
Explanation: OrientDB supports various index types such as Hash index, B-tree index, Full-text index, and Spatial index. However, it does not support R-tree index.
9. Which of the following is not a supported authentication method in OrientDB?
a) Internal
b) LDAP
c) Kerberos
d) OAuth
Answer: d) OAuth
Explanation: OrientDB supports various authentication methods such as Internal, LDAP, and Kerberos. However, it does not support OAuth authentication.
10. What is the role of a server in OrientDB?
a) To store data
b) To process queries
c) To manage user authentication
d) All of the above
Answer: d) All of the above
Explanation: A server in OrientDB is responsible for storing data, processing queries, managing user authentication, and providing other functionalities related to the database system.
11. Which of the following is a benefit of using OrientDB over traditional relational databases?
a) Flexible data modeling
b) Better performance
c) Easier scalability
d) All of the above
Answer: d) All of the above
Explanation: OrientDB provides a flexible data modeling approach, which allows users to model their data according to their requirements. It also offers better performance and easier scalability as compared to traditional relational databases.
12. What is the default isolation level used by OrientDB?
a) Read committed
b) Repeatable read
c) Serializable
d) None of the above
Answer: a) Read committed
Explanation: The default isolation level used by OrientDB is Read committed. However, users can configure the isolation level according to their requirements.
13. Which of the following is a feature of OrientDB Studio?
a) Data visualization
b) Query builder
c) Performance monitoring
d) All of the above
Answer: d) All of the above
Explanation: OrientDB Studio is a web-based tool that provides various functionalities such as data visualization, query builder, performance monitoring, and many others.
14. Which of the following is a disadvantage of using OrientDB?
a) Steep learning curve
b) Limited community support
c) Higher cost
d) All of the above
Answer: a) Steep learning curve
Explanation: OrientDB has a steeper learning curve as compared to traditional relational databases, which can make it difficult for new users to get started with it.
15. What is the role of a class in OrientDB?
a) To define the structure of data
b) To manage the relationship between data
c) To perform calculations on data
d) None of the above
Answer: a) To define the structure of data
Explanation: A class in OrientDB is used to define the structure of data that is stored in the database. It defines the properties of data, its data types, and other attributes.
16. Which of the following is not a supported data format in OrientDB?
a) JSON
b) XML
c) CSV
d) YAML
Answer: d) YAML
Explanation: OrientDB supports various data formats such as JSON, XML, and CSV. However, it does not support YAML.
17. What is the role of a vertex in OrientDB?
a) To represent a data object
b) To manage the relationship between data objects
c) To perform calculations on data
d) None of the above
Answer: a) To represent a data object
Explanation: A vertex in OrientDB is used to represent a data object in a graph structure. It can have properties and relationships with other vertices or edges.
18. Which of the following is not a supported edge type in OrientDB?
a) Directed
b) Undirected
c) Bi-directional
d) Weighted
Answer: b) Undirected
Explanation: OrientDB supports various edge types such as Directed, Bi-directional, and Weighted. However, it does not support Undirected edges.
19. What is the role of a traversal in OrientDB?
a) To search for data in the database
b) To perform calculations on data
c) To traverse a graph structure
d) None of the above
Answer: c) To traverse a graph structure
Explanation: A traversal in OrientDB is used to traverse a graph structure, which allows users to explore relationships between data objects.
20. Which of the following is a benefit of using OrientDB in a distributed environment?
a) Improved scalability
b) Improved fault tolerance
c) Improved performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB is designed to work in a distributed environment, which offers several benefits such as improved scalability, fault tolerance, and performance.
21. Which of the following is a benefit of using OrientDB’s indexing feature?
a) Improved query performance
b) Improved data retrieval speed
c) Improved data security
d) All of the above
Answer: a) Improved query performance
Explanation: OrientDB’s indexing feature improves query performance by reducing the time required to search for data in the database.
22. Which of the following is a benefit of using OrientDB’s SQL support?
a) Easy integration with existing systems
b) Faster application development
c) Improved query performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s SQL support allows users to easily integrate with existing systems, faster application development, and improved query performance.
23. What is the role of a trigger in OrientDB?
a) To perform actions on data before or after an operation
b) To manage the relationship between data
c) To perform calculations on data
d) None of the above
Answer: a) To perform actions on data before or after an operation
Explanation: A trigger in OrientDB is used to perform actions on data before or after an operation such as insert, update, or delete.
24. Which of the following is a benefit of using OrientDB’s security features?
a) Improved data security
b) Improved data privacy
c) Improved access control
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s security features offer several benefits such as improved data security, privacy, and access control.
25. What is the role of a record in OrientDB?
a) To represent a data object
b) To manage the relationship between data objects
c) To perform calculations on data
d) None of the above
Answer: a) To represent a data object
Explanation: A record in OrientDB is used to represent a data object that is stored in the database. It can have properties and relationships with other records.
26. Which of the following is a disadvantage of using OrientDB in a distributed environment?
a) Higher cost
b) Higher complexity
c) Lower fault tolerance
d) All of the above
Answer: b) Higher complexity
Explanation: Using OrientDB in a distributed environment can be more complex as compared to using it in a non-distributed environment.
27. Which of the following is a benefit of using OrientDB’s clustering feature?
a) Improved scalability
b) Improved fault tolerance
c) Improved performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s clustering feature offers several benefits such as improved scalability, fault tolerance, and performance.
28. Which of the following is not a supported language for OrientDB’s Gremlin query language?
a) Java
b) Python
c) JavaScript
d) None of the above
Answer: d) None of the above
Explanation: OrientDB’s Gremlin query language supports various programming languages such as Java, Python, and JavaScript.
29. Which of the following is not a supported traversal strategy in OrientDB’s Gremlin query language?
a) Breadth-first
b) Depth-first
c) A*
d) All of the above are supported
Answer: c) A*
Explanation: OrientDB’s Gremlin query language supports various traversal strategies such as Breadth-first and Depth-first. However, it does not support A*.
30. Which of the following is not a supported property type in OrientDB?
a) String
b) Date
c) Binary
d) Currency
Answer: d) Currency
Explanation: OrientDB supports various property types such as String, Date, and Binary. However, it does not support the Currency property type.
31. Which of the following is a benefit of using OrientDB’s graph database feature?
a) Improved data modeling
b) Improved data retrieval speed
c) Improved data security
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s graph database feature offers several benefits such as improved data modeling, retrieval speed, and security.
32. What is the role of an edge in OrientDB?
a) To represent a relationship between two vertices
b) To represent a data object
c) To perform calculations on data
d) None of the above
Answer: a) To represent a relationship between two vertices
Explanation: An edge in OrientDB is used to represent a relationship between two vertices in a graph database.
33. Which of the following is a benefit of using OrientDB’s RESTful API?
a) Easy integration with existing systems
b) Faster application development
c) Improved query performance
d) All of the above
Answer: a) Easy integration with existing systems
Explanation: OrientDB’s RESTful API allows users to easily integrate with existing systems and services.
34. Which of the following is a disadvantage of using OrientDB’s graph database feature?
a) Higher cost
b) Higher complexity
c) Lower fault tolerance
d) All of the above
Answer: b) Higher complexity
Explanation: Using OrientDB’s graph database feature can be more complex as compared to using its other features.
35. Which of the following is a benefit of using OrientDB’s distributed transactions feature?
a) Improved fault tolerance
b) Improved data security
c) Improved performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s distributed transactions feature offers several benefits such as improved fault tolerance, data security, and performance.
36. Which of the following is a disadvantage of using OrientDB’s distributed transactions feature?
a) Higher cost
b) Higher complexity
c) Lower fault tolerance
d) All of the above
Answer: b) Higher complexity
Explanation: Using OrientDB’s distributed transactions feature can be more complex as compared to using its other features.
37. Which of the following is a benefit of using OrientDB’s SQL-like query language?
a) Improved query performance
b) Improved data modeling
c) Improved data retrieval speed
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s SQL-like query language offers several benefits such as improved query performance, data modeling, and retrieval speed.
38. Which of the following is not a supported join type in OrientDB’s SQL-like query language?
a) Inner join
b) Left outer join
c) Right outer join
d) Full outer join
Answer: d) Full outer join
Explanation: OrientDB’s SQL-like query language supports various join types such as Inner join, Left outer join, and Right outer join. However, it does not support Full outer join.
39. Which of the following is not a supported constraint type in OrientDB?
a) Unique
b) Not null
c) Foreign key
d) Primary key
Answer: c) Foreign key
Explanation: OrientDB supports various constraint types such as Unique, Not null, and Primary key. However, it does not support Foreign key constraints.
40. Which of the following is a benefit of using OrientDB’s document database feature?
a) Improved data modeling
b) Improved data retrieval speed
c) Improved query performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s document database feature offers several benefits such as improved data modeling, retrieval speed, and query performance.
41. Which of the following is a disadvantage of using OrientDB’s document database feature?
a) Higher cost
b) Higher complexity
c) Lower fault tolerance
d) All of the above
Answer: b) Higher complexity
Explanation: Using OrientDB’s document database feature can be more complex as compared to using its other features.
42. Which of the following is a disadvantage of using OrientDB’s indexing feature?
a) Higher cost
b) Higher complexity
c) Lower fault tolerance
d) All of the above
Answer: b) Higher complexity
Explanation: Using OrientDB’s indexing feature can be more complex as compared to using its other features.
43. Which of the following is a benefit of using OrientDB’s sharding feature?
a) Improved scalability
b) Improved fault tolerance
c) Improved query performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s sharding feature offers several benefits such as improved scalability, fault tolerance, and query performance.
44. Which of the following is not a supported sharding algorithm in Orient DB?
a) Round-robin
b) Hash
c) Random
d) Linear
Answer: d) Linear
Explanation: OrientDB supports various sharding algorithms such as Round-robin, Hash, and Random. However, it does not support the Linear sharding algorithm.
45. Which of the following is not a supported replication mode in OrientDB?
a) Synchronous
b) Asynchronous
c) Semi-synchronous
d) Linear
Answer: d) Linear
Explanation: OrientDB supports various replication modes such as Synchronous, Asynchronous, and Semi-synchronous. However, it does not support Linear replication mode.
46. Which of the following is not a supported storage type in OrientDB?
a) Memory
b) Disk
c) Distributed
d) Network
Answer: d) Network
Explanation: OrientDB supports various storage types such as Memory, Disk, and Distributed. However, it does not support Network storage type.
47. Which of the following is a benefit of using OrientDB’s distributed architecture?
a) Improved scalability
b) Improved fault tolerance
c) Improved query performance
d) All of the above
Answer: d) All of the above
Explanation: OrientDB’s distributed architecture offers several benefits such as improved scalability, fault tolerance, and query performance.
48. Which of the following is a disadvantage of using OrientDB’s distributed architecture?
a) Higher cost
b) Higher complexity
c) Lower fault tolerance
d) All of the above
Answer: b) Higher complexity
Explanation: Using OrientDB’s distributed architecture can be more complex as compared to using its other features.
49. Which of the following is not a supported graph database feature in OrientDB?
a) Vertex-centric indexing
b) Distributed transactions
c) Pattern matching
d) Traversal
Answer: b) Distributed transactions
Explanation: OrientDB supports various graph database features such as Vertex-centric indexing, Pattern matching, and Traversal. However, it does not support Distributed transactions feature in its graph database.
50. Which of the following is a benefit of using OrientDB’s spatial indexing feature?
a) Improved data modeling
b) Improved data retrieval speed
c) Improved query performance
d) All of the above
Answer: b) Improved data retrieval speed
Explanation: OrientDB’s spatial indexing feature allows users to improve data retrieval speed by creating indexes on spatial data.
As a robust database management system, OrientDB provides a wide range of features and capabilities for managing complicated and varied data. Readers can test their grasp of OrientDB and obtain a deeper understanding of its architecture, indexing, querying, and data models by using the OrientDB Multiple Choice Questions and answers with explanations provided in this article. Bookmark our FreshersNow website to not miss any further updates on technical quizzes from various concepts.