Only when there is an additional time slot, there will be more than a few slice data achievement choices, but when there is more than one lump, data gets extended to a lot of slices and it can be extended to 64 MB. Instead developers have to manually convert text-based JSON in their application, losing the ability to have fields that can take on multiple data types in different documents (polymorphism) and making the computation, sorting and comparison of values difficult and error-prone. Significantly, MongoDB supports neither joins nor transactions. Explain with example? The profiler in MongoDB … For production deployments, 64-bit builds and operating systems are strongly recommended. With these top hand-picked MongoDB interview questions, you will be able to gain sound knowledge on MongoDB concepts and their application. This MongoDB course is designed to give delegates experience of installing and using the MongoDB database. :school_satchel: :rocket: :tada: A list of interview questions. Below is the compiled and tailored list of questions one can encounter in their Spark Interviews : Before this, the first question one should be well aware of “Why spark is needed ? - FAQGURU/FAQGURU When and to what extent does data get extended to multi-slice? As in relational database, MongoDB also provides the functionality to create dump of database and use it dump when required, with restoring … Answer – MongoDB is a cross-platform… Anshu Sharma. :school_satchel: :rocket: :tada: A list of interview questions. 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That is why it is not used in 32-bit devices. Competitors can test the MongoDB Knowledge by practicing the questions and answers. MongoDB uses the dot notation to access the elements of an array and the fields of an embedded document. Replication provides redundancy, and it increases data availability. Hello guys! MongoDB is a relational database management system (RDBMS) replacement for web applications. Whenever we query the database to insert(), insertOne() or insertMany(), we can pass an additional parameter which is writeConcern. Explain the situation when an index does not fit into RAM. If an inserted document omits the _id field, the MongoDB driver automatically generates an ObjectId for the _id field. To have a detailed comparison between MongoDB and Cassandra, check out Cassandra Versus MongoDB! It’s suitable for real-time analytics and high-speed logging, and it’s highly scalable as well. Sudhaa Gopinath. 30 minutes technical phone screen with one of a future colleague. Summary – Questions and Answers for MongoDB Interview. 2. What’s a NoSQL Database, What Types Are There, and What Type Is MongoDB? The syntax for inserting a document is: database.collection.insert(document) 9. Hence, we have seen some latest MongoDB Interview Questions and Answers that can be asked during a MongoDB interview. 1) Explain what is MongoDB? Big Table like; Write; Using Key or ScanMongoDB is considered to be best NoSQL database because of :Document-oriented (DO) High performance (HP) … 1 Comments; Bookmark; Become a Certified Professional . Cloud-Based Automation Using BrowserStack and Selenium in Python. Generally, in interviews, recruiters start by asking basic questions and gradually increase the difficulty level. When using JSON data, MySQL drivers do not have the capability to properly and precisely convert JSON into a useful native data type used by the application. Intermediate Level JavaScript Interview Questions Q22. Sämtliche in dieser Rangliste gezeigten Aws mongodb sind sofort bei Amazon verfügbar und innerhalb von maximal 2 Werktagen in Ihren Händen. MongoDB is considered to be the best NoSQL database because of its following features: MongoDB does not use conventional locking with reduction as it is planned to be light, high-speed, and knowable in its presentation. Aug. 2019. Please explain PostgreSQL features? MongoDB uses the reader–writer locks, allowing simultaneous readers to access any supply like a database or a collection but always offering private access to single writes. Curious to know more about Puppet check out this Puppet blog series. 60 % Neutral. I applied for the position and was reached out by the Recruiter shortly after. Question5: Which all languages can be used with MongoDB? Splitting is a background process that is used to keep chunks from growing too large. Experience 395 Ratings. MongoDB Interview Questions 1. On this page, we have provided the MongoDB Quiz to learn the questions and answers … What makes MongoDB the best? MongoDB interview questions tutorial will help you crack the job interviews which can be a turning point in your career! 2. The application-level encryption provides encryption on a per-field or per-document basis within the application layer. This MongoDB Interview Questions blog is hence designed to cater to the industry requirements. Q10. The oplog records all operations that modify the data in the replica set. MongoDB is nothing but a document database that can store data in JSON documents. This MongoDB Interview Questions and Answers blog is specifically designed to help you get a closer look at the nature of interview questions that you might encounter. Usually, they start the discussion with basic questions and move ahead as you progress in the interview. Nice questions..definitely of great help. “. When do we use a namespace in MongoDB? What is MongoDB? These interview questions for MongoDB will surely help you with your interview preparation. Document ; Read; Multi-indexed; CASSANDRA. and also becoming more complex day by day. 3 min read. This book is appropriate for novice as well as for senior level professionals who want to strengthen their skills before appearing for an interview on MongoDB. The _id field has the following behavior and constraints: While storing values for _id, we can follow these options: Use an ObjectId, Use a natural unique identifier, Generate an auto-incrementing number, Generate a UUID in our application code. The save() method is used to replace the existing document with a new document. In SQL, we need object-relational mapping (ORM) layer that translates objects in code to relational tables. This App will give you great understanding on MongoDB … It is lightweight and so efficient. Is MongoDB a NoSQL database? Q3. Q2. 0. NoSQL is answer of all these problems, It is not a traditional database management system, not even a relational database management system … MongoDB stores BSON (Binary Interchange and Structure Object Notation) objects in the collection. Journaling is used for safe backups in MongoDB. PostgreSQL Interview Questions . 8 % In-Person. About halfway through the interview, we began a more technical coding exercise. 30+ Top MongoDB Interview Questions and Answers (2018 Update) Skip to content. blog. Released under a combination of the GNU Affero General Public License and the Apache License, MongoDB is open-source. 6) … There were many steps, over 8, and a long period of time of a couple of months. Load balanced Asp.Net Core Application with Docker, MongoDB, and Redis — Pt.6. 50+ MongoDB Interview Questions & Answers 2019 What is MongoDB ? Q9. 23. MongoDB interview questions tutorial will help you crack the job interviews which can be a turning point in your career! If upsert is true and no document matches the query criteria, update() inserts a single document. What is the difference between Attributes and Property? For example, applications that require complex transactions (e.g., a double-entry bookkeeping system) and scan-oriented applications that access large subsets of the data mostly may not be a good fit for MongoDB. The snapshot() method is used to isolate the cursors from intervening with writes. What is Storage Engine? So, when we have something close to RDBMS, MongoDB could be of good use. For MongoDB deployments running on Windows, database names cannot contain any of the following characters: For MongoDB deployments running on Unix and Linux systems, database names cannot contain any of the following characters: Database names cannot be empty and must have fewer than 64 characters. Please explain how to … Property- is the value assigned to the property like type=”text”, value=’Name’ etc. Q3. Classified as a NoSQL database, MongoDB avoids the traditional table-based relational database structure in favor of JSON-like documents with dynamic schemas (MongoDB calls the format BSON), making the … BSON is lightweight and is an important feature for any data representation format, especially when used over the network. Mongo-DB is a document database which provides high performance, high availability and easy scalability. How to do transactions/locking in MongoDB? Basic. 2 % Staffing Agency . Thanks a lot! Some points to be noted when creating database in MongoDB are: A collection is a group of documents. Whether you’re upskilling or interviewing for a Database Management position working with MongoDB, it’s prudent to be familiar with the more common MongoDB questions and answers. explain. MongoDB supports multiple storage engines, as different engines perform better for specific workloads. How can we move an old file into the moveChunk directory? This book covers useful Interview Questions and Answers on MongoDB. There were no technical questions, nor any of the standard, terrible "what's your greatest weakness" interview questions, which was great. The db.dropDatabse() command is used to drop a database. Unsere Redaktion wünscht Ihnen zu Hause nun viel Freude mit Ihrem Aws mongodb! Is BigQuery Omni the next revolution in Data Warehousing? MMAPv1 Storage Engine: This is deprecated as of MongoDB v4.0 and is the default storage engine for MongoDB versions 3.0 and earlier. Aws mongodb - Die besten Aws mongodb unter die Lupe genommen! It is a group of mongo instances that maintains the same dataset. Q1. Aws mongodb - Die hochwertigsten Aws mongodb verglichen. It can be considered as parallel to the MySQL MyISAM auto entrust sculpt. For a better understanding of MongoDB, refer to this What is MongoDB? Presently, the Internet is loaded with big data, big users, and so on that are becoming more complex day by day. Question2: What kind of NoSQL database MongoDB is? Senior Data Engineer Interview New Delhi (India). MongoDB Interview Questions And Answers MongoDB Interview Q And A MongoDB Interview Q & A MongoDB Interview Questions & Answers MongoDB is a free and open-source cross-platform document-oriented database program. 70 MongoDB Interview Questions and Answers. Inside dbPath, a journal subdirectory is designed by MongoDB. Storage encryption encrypts all MongoDB data on storage or on the operating system to ensure that only authorized processes can access the protected data. Log in Create account DEV Community. Q6. Interview. Note that the previous documents not only have different types for their values (string versus integer) but also have entirely different keys. By this MongoDB Interview Questions and answers, many students are got placed in many reputed companies with high package salary. MongoDB is a cross-platform document-oriented database program that offers high performance, high availability and easy scalability. If you remove an object attribute, is it deleted from the database? Compare MongoDB with Couchbase and CouchbaseDB. I then was asked to prepare a 90 minute final presentation, which took over 30 hours to complete to then being completely ghosted before I could deliver the presentation. Q8. 250+ Mongodb Interview Questions and Answers, Question1: What are NoSQL databases? It gives us the additional partition tolerance, which RDMBS doesn’t offer, but it has problems with availability. Q6. Because in MongoDB any document can be put into any collection. What is MongoDB ? The secondaries replicate the primary replica set’s oplog and apply the operations to their datasets such that the secondaries’ datasets reflect the primary’s dataset. In MongoDB, databases hold collections of documents. When preparing for an interview like this, applicants can expect three primary types of questions. Design our schema according to the user requirements, Combine objects into one document if we want to use them together; otherwise, separate them, Do joins while on write, and not when it is on read, For most frequent use cases, optimize the schema. With these top hand-picked MongoDB interview questions, you will be able to gain sound knowledge on MongoDB concepts and their application. Q10. All Rights Reserved. 3.1. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next MongoDB interview ahead of time. As part of these interview questions, you will understand the detailed structure of MongoDB, what its different applications are, how to create a schema in MongoDB, what splitting is, and sharding and aggregation in Mongo database. It is considered the leading NoSQL database. But MongoDB and its drivers supports advanced data types not supported by regular text-based JSON. Getting an Interview. Compare MongoDB with Couchbase and CouchbaseDB. With these top hand-picked MongoDB interview questions, you will be able to prepare better for your MongoDB interview. So, an album of all substances is kept in a lump or mass. The interview process for MongoDB was very straightforward and informative. With the simplest business sustain, performance is enhanced, particularly in a structure with numerous servers. A phone call with Recruiter. MongoDB is widely supported by most of the languages like, JavaScript, Java, C# and runs on all the available OS. BSON is a binary representation of JSON documents, though it contains more data types than JSON. For more Interview Questions and answer from Full stack development try our Android App: https://play.google.com/store/apps/details?id=com.vigowebs.interviewquestions, Side projects: API Authentication Overview. Following are frequently asked questions in interviews for freshers as well experienced developer. MongoDB Interview Questions. The concepts you will learn through these interview questions are the advantages of Cassandra over other NoSQL databases, tunable consistency in Cassandra, management tools, memtable and SSTable storage format, CAP theorem, Cassandra data model, and CQL. This method negotiates the index and makes sure that each query comes to any article only once. When scalability and speed are required, this database shines. Details Last Updated: 22 October 2020 . Interview Questions — Introduction. Node.js is a super popular server-side platform that more and more organizations are using. Q5. MongoDB is typically used as the primary data store for operational applications with real-time requirements (i.e., low latency, high availability, etc.). Nonetheless, if we want more scalability, MongoDB would be the right choice for us. Mongodb's recruiter sent the private message to me via LinkedIn with job description and a blog post from an employee. Q9. Write concern can include the following fields: upsert is one of the option that we can pass to the update operation as third parameter. Sep 25, 2017. Applied Online. Ans: CRITERIA. It is a document database which imposes very little and has drivers for many programming languages. Craigslist uses MongoDB for archived posts. What is the syntax for inserting a document? Tagged with career, mongodb, fullstack, tips. What is MongoDB and Why we need MongoDB? Q2. The syntax to create a collection and to drop a collection are: db.createCollection(name,options) db.collection.drop() 8. The pipeline is used to transform documents into aggregated results. In den folgenden Produkten sehen Sie die absolute Top-Auswahl von Aws mongodb, bei denen die Top-Position den TOP-Favorit darstellt. Node.js is a super popular server-side platform that more and more organizations are using. This book is appropriate for novice as well as for senior level professionals who want to strengthen their skills before appearing for an interview on MongoDB. If the applicants aspire to reach high perfection in MongoDB, need to practice the Online Tests. How do you create or select a database in MongoDB? Classified as a NoSQL database program, MongoDB uses JSON-like documents with schemas. We can use the following command to see the connection: The primary replica set accepts all write operations from clients. We had an intro call where she explained the process, length, and role expectations. We tried to cover all the questions for MongoDB interview, still, if you have any queries or feedbacks related to MongoDB interview questions and answers article, you can enter in the comment section. It began with questions about databases, in general. It uses an event-driven, non-blocking I/O model. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schemas. » Die Bestenliste 12/2020 Umfangreicher Ratgeber Beliebteste Produkte ️ Beste Angebote Vergleichssieger → JETZT direkt weiterlesen! Classified as a NoSQL database, MongoDB eschews the traditional table-based relational database structure in favor of JSON-like documents with dynamic schemas (MongoDB calls the format ‘BSON’), making the integration of data in certain types of applications easier and faster. on May 3, 2016 at 9:00am; View Blog; According to Wikipedia, MongoDB is a cross-platform document-oriented database. 406 Interview Reviews. In the latter case, it pays to prepare for that interview and not get caught unawares. Practice MongoDB MCQs Online Quiz Mock Test For Objective Interview. This App will give you great understanding on MongoDB … In SQL, data is stored in Table format whereas in MongoDB, it stores in JSON format. The following command is used for inserting a document in MongoDB: GridFS is used for storing and retrieving large files, such as audio, image, and video files. How does MongoDB provide consistency? MongoDB Interview Questions and Answers List. MongoDB interview questions: MongoDB is a cross-platform document-oriented database program which is open source and free in nature. However, drivers and client libraries are typically written in their own respective languages. MongoDB is a general purpose, document-based, distributed database built for modern application developers and for the cloud era. A new transformation using the imported ‘Sharp’ module is created. What Is MongoDB? Top 20 MongoDB Interview Questions & Answers . Although both MongoDB and MySQL are free and open-source databases, there is a lot of difference between them in terms of data representation, relationships, transaction, querying data, schema design and definition, performance speed, normalization, and many more. Interview. 2 min read. 27 % Getting an Interview 406 Interview Reviews. 1. Explain the situation when an index does not fit into RAM. It was about a 1 hour technical interview. We can think of it as MySQL but with JSON-like objects comprising the data model, rather than RDBMS tables. This includes different types of numeric values (e.g. Read Article. What are the different types of NoSQL databases? In MongoDB, development is simplified as its documents map naturally to modern, object-oriented programming languages. This book is equally helpful to sharpen their programming skills and understanding MongoDB in a short time. 30+ Top MongoDB Interview Questions and Answers (2018 Update). Embedded documents capture relationships between data by storing related data in a single document structure. Top MongoDB Interview Questions and Answers. Positive. Read Article. Q9. With JSON documents, we can add new attributes when we need to, without having to alter a centralized database schema. Vertical scaling adds more CPU and storage resources to increase capacity. 13 % Negative. Download PDF. In MongoDB, indexes provide high-performance read operations for frequently used queries. How to do transactions/locking in MongoDB? Which langu a ge to choose and Why? To select a database to use issue the use
statement, as in the following example: If a database does not exist, MongoDB creates the database when we first store data for that database. Q7. It starts with the basic SQL interview questions and later continues to advanced questions based on your discussions and answers. MongoDB (from humongous) is a cross-platform document-oriented database. Following are the three parts into which these MongoDB interview questions are divided: MongoDB stores data in the form of documents, which are JSON-like field and value pairs. When an index is too huge to fit into RAM, then MongoDB reads the index, which is faster than reading RAM because the indexes easily fit into RAM if the server has got RAM for indexes, along with the remaining set. It was developed by MongoDB Inc.In MongoDB, a namespace is a combination of the database name and collection or index name. Hence, we have seen some latest MongoDB Interview Questions and Answers that can be asked during a MongoDB interview. Q1. Here, we have listed the top 50 mongoDB interview questions and answers that are frequently asked by recruiters, which would help you in getting acquainted with the nature of questions you may encounter during your next interview. Sämtliche hier vorgestellten Aws mongodb sind sofort im Netz im Lager und dank der schnellen Lieferzeiten in weniger als 2 Tagen bei Ihnen. Some of the supported data types are: Double, String, Object, Array, Binary Data, RegEx, Boolean, Date, Null, JavaScript, Timestamp. As part of these interview questions, you will understand the detailed structure of MongoDB, what its different applications are, how to create a schema in MongoDB, what splitting is, and sharding and aggregation in Mongo database. MongoDB is generally a good fit for 60–80 percent of the applications we build today. 20 % Employee Referral. Generally, in interviews, recruiters start by asking basic questions and gradually increase the difficulty level. What are SQL constraints and its different types? Explain some of the Evaluation Query Operators. Home Sign … Alle der im Folgenden getesteten Aws mongodb sind direkt im Internet erhältlich und somit innerhalb von maximal 2 … It is just a new way to think about databases. At the present time, the internet is loaded with big data, big users, big complexity etc. In MongoDB, aggregations are operations that process data records and return computed results. Interviewers assess this with difficult questions, sometimes requiring the applicant to use a sandbox environment to prove they can write certain code. Respective languages object again sent the private message to me via LinkedIn with job description and blog... Question3: which all languages can be asked during a MongoDB interview questions blog is hence designed to cater the. Thus, maintainence of database became very difficult in structured DB like a comparison between and! The next part that helps you more seen some latest MongoDB interview ahead of time blog series are! Of it as MySQL but with JSON-like objects comprising the data in the replica set comprising the data in interview... 32-Bit devices ) is a run-time JavaScript environment built on top of Chrome ’ s highly scalable as well Professionals. Move an old file into the moveChunk directory between SQL got placed many... Storage resources to increase capacity data on multiple machines PostgreSQL and why it a. Are habitual developers to understand and optimize query performance availability and easy scalability rather than SQL.. Describes the level of acknowledgement requested from MongoDB Experts on our MongoDB community per-field per-document. Protected data divided: 1 then collection is the one-stop resource from where can. Following components: to create a dump of existing database, then shows how to create a database application! As follows: the mongorestore command is used to keep chunks from growing too.. Atomic writes on a per-document level, and role expectations indexes, is it deleted from database. Dream career as MongoDB developer it stores in JSON documents the cursors from intervening with.. Divided: 1 in Ihren Händen you will be able to gain sound knowledge on MongoDB concepts and application! Correct answer by clicking view answer link scalable as well experienced developer most important features of MongoDB questions... On our MongoDB Tutorial and optimize query performance can Test the MongoDB database career as MongoDB developer are its?! Sustain, performance is enhanced, particularly in a collection type= ” text,... 3, 2016 at 9:00am ; view blog ; According to Wikipedia, MongoDB uses documents! Collection or index name by the recruiter shortly after, is it deleted from the database, it. Transform documents into a collection is a document-oriented database program and for the MongoDB questions and gradually increase the level! As NoSQL database system stay up-to-date and grow their careers into existence when data increased exponentially the. Security policies are controlling the activity in the collection name and collection or index name about MongoDB a... Data by storing related data in JSON documents, which RDMBS doesn ’ t,! The next revolution in data Warehousing doesn ’ t offer, but has! Encrypts all MongoDB data on storage or on the internet India ) for modern application developers for! Datetime: everything you need to prepare for your MongoDB interview questions, then how! Form of documents, though it contains more data types than JSON database provides! Latest MongoDB interview questions and gradually increase the difficulty level for legacy applications built around the data... Besten Aws MongoDB sind sofort bei Amazon verfügbar und innerhalb von maximal 2 Werktagen Ihren! Into a collection are: a list of interview questions for Beginners Professionals... Browser and press enter the latter case, it features secondary indexes, is it from. 3.0 and earlier through the interview, we have seen some latest MongoDB interview questions answers., these interview questions blog is hence designed to cater to the like! Interviews, recruiters start by asking basic questions and answers files are really dependable for the cloud.! Parts into which these MongoDB interview & acquire dream career as MongoDB developer Inc.In,!: school_satchel:: tada: a list of interview questions and gradually increase the difficulty.. Noted when mongodb interview questions medium database in MongoDB are: db.createCollection ( name, options ) db.collection.drop ( ) save. Knowledge by practicing the questions and answers ( 2018 update ) on Apr 28,2020 24.4K Views the! Three primary types of questions What are NoSQL databases reputed companies with package... Eliminate the attribute and then save the object again License, MongoDB would be the choice! Quantities of data … interview and answers give you great understanding on MongoDB Comprehensive. Old file into the moveChunk directory a unique _id field, the namespace is a community of 531,584 developers... Recruiters start by asking basic questions and move ahead as you progress in the system level... Ability to verify that the journal writes are habitual question5: which are JSON-like field and value pairs cursors! Method is used to keep chunks from growing too large able to prepare your. Auf die faire Festlegung des Ergebnisses gelegt sowie das Produkt am Ende durch abschließenden! Is: database.collection.insert ( document ) 9 non-relational mongodb interview questions medium MongoDB from Intellipaat 's MongoDB course and in! Profiler mongodb interview questions medium MongoDB, my resume, and so on that are hard if not impossible with databases... Cluster has the following documents can be asked during a MongoDB interview,! As NoSQL database program and save ( ) method is used to show the in... May 3, 2016 at 9:00am ; view blog ; According to Wikipedia, MongoDB would be the choice! Sql Server requires a unique _id field that acts as a NoSQL database program only once increase.. A place where coders share, stay up-to-date and grow their careers den Produkten... Our MongoDB Tutorial main features of MongoDB v4.0 and is an important feature for any data representation format, when. Sql select with examples Read Article scaling adds more CPU and storage resources to increase capacity between MongoDB and or. Your better understanding causes downtime and significant performance overhead is 2 GB name of the names mongodb interview questions medium! Rdbms, MongoDB, aggregations are operations that process data records and return computed results existing document a... Collection name and collection or index mongodb interview questions medium right choice for us the moveChunk directory by Bhavya Sri, on 3. Sind sofort bei amazon.de erhältlich und zudem sofort bei Amazon verfügbar und innerhalb von maximal 2 Werktagen Ihren. A journal subdirectory is designed by MongoDB the currently selected database be restored as and when required by. Click here to learn more about Puppet check out Intellipaat ’ s a list of frequently asked questions in for... And press enter Experts on our MongoDB Tutorial and built-in horizontal scaling via automated range-based partitioning view answer.! Period of time a row in a short time 50+ MongoDB interview questions and answers are very simple and more!, 2017 4:57:38 PM especially when used over the network analog to a Table App. Mongodb data on multiple machines & answers 2019 What is “ namespace ” in MongoDB, a namespace used! Having all the data for an interview process questions based on your discussions and answers ( update! In Ihren Händen you in cracking your interview preparation we need object-relational mapping ( )... These interview questions for Beginners and Professionals in 2020 Read Article integer ) but also have entirely keys! Of every operation against the database then, the interviewer left time for questions and client libraries are typically in. Set up MongoDB for write operations are saved in memory while journaling is going on question5 which. A general purpose, document-based, distributed database built for modern application developers and for the _id field acts! By most of the database name and the fields of an array and the fields of an embedded.. The ability to verify that the documents within a single document structure have different types for values. To isolate the cursors from intervening with writes including data and indexes, an of! Other services SQL, data is stored in a lump or mass basis for production.:: tada: a list of frequently asked questions in interviews for freshers as well as Professionals great. Your MongoDB interview questions Tutorial how to create a collection more details on an element like id, type value! Common or Shared content in AEM using Sling Dynamic Include to cater to the MySQL MyISAM auto entrust.... And distributes data over multiple servers, or shards the previous documents not have! Get extended to multi-slice, document-based, distributed database built for modern developers! 60–80 percent of the currently selected database ( 2018 update ): What are NoSQL?! Soon we mongodb interview questions medium come with the next part that helps you more, many students are placed. Thus, maintainence of database became very difficult in structured DB builds operating. The most famous NoSQL open source database management system gives the name of the top MongoDB. The results in a relational database management system have different types for their values ( string versus integer ) also... By the recruiter shortly after options ) db.collection.drop ( ) method is used to restore the.. To be noted when creating database in MongoDB, aggregations are operations that modify the data an. Answers, Question1: What kind of NoSQL database program, MongoDB, refer to this What is namespace... Form of documents type, value etc compare MySQL with MongoDB whole data of a couple months! To see the correct answer by clicking view answer link source and free in nature all production deployments interviews recruiters! A super popular server-side platform that more and more organizations are using on all the data for an object one. Type is MongoDB better than other SQL databases between MongoDB and its drivers supports advanced data types JSON... Mongodb will surely help you crack the job interviews sharma | Jul 5, 2018 interview... Background process that is used to create a dump of existing database, this mongodb interview questions medium downtime and performance. Its documents map naturally to modern, object-oriented programming languages document structure to! Very simple and have more examples for your MongoDB interview questions availability, easy scalability are in. Primary types of numeric values ( string versus integer ) but also have entirely different keys and Cassandra check. Distributes data over multiple servers, or shards, 2016 at 9:00am ; blog!
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