Introduction to NoSQL Database

Introduction to NoSQL Database Introduction to NoSQL Database Back Home Categories Online Courses Mock Interviews Webinars NEW Community Write for Us Categories Artificial Intelligence AI vs Machine Learning vs Deep LearningMachine Learning AlgorithmsArtificial Intelligence TutorialWhat is Deep LearningDeep Learning TutorialInstall TensorFlowDeep Learning with PythonBackpropagationTensorFlow TutorialConvolutional Neural Network TutorialVIEW ALL BI and Visualization What is TableauTableau TutorialTableau Interview QuestionsWhat is InformaticaInformatica Interview QuestionsPower BI TutorialPower BI Interview QuestionsOLTP vs OLAPQlikView TutorialAdvanced Excel Formulas TutorialVIEW ALL Big Data What is HadoopHadoop ArchitectureHadoop TutorialHadoop Interview QuestionsHadoop EcosystemData Science vs Big Data vs Data AnalyticsWhat is Big DataMapReduce TutorialPig TutorialSpark TutorialSpark Interview QuestionsBig Data TutorialHive TutorialVIEW ALL Blockchain Blockchain TutorialWhat is BlockchainHyperledger FabricWhat Is EthereumEthereum TutorialB lockchain ApplicationsSolidity TutorialBlockchain ProgrammingHow Blockchain WorksVIEW ALL Cloud Computing What is AWSAWS TutorialAWS CertificationAzure Interview QuestionsAzure TutorialWhat Is Cloud ComputingWhat Is SalesforceIoT TutorialSalesforce TutorialSalesforce Interview QuestionsVIEW ALL Cyber Security Cloud SecurityWhat is CryptographyNmap TutorialSQL Injection AttacksHow To Install Kali LinuxHow to become an Ethical Hacker?Footprinting in Ethical HackingNetwork Scanning for Ethical HackingARP SpoofingApplication SecurityVIEW ALL Data Science Python Pandas TutorialWhat is Machine LearningMachine Learning TutorialMachine Learning ProjectsMachine Learning Interview QuestionsWhat Is Data ScienceSAS TutorialR TutorialData Science ProjectsHow to become a data scientistData Science Interview QuestionsData Scientist SalaryVIEW ALL Data Warehousing and ETL What is Data WarehouseDimension Table in Data WarehousingData Warehousing Interview QuestionsData warehouse architectureTalend T utorialTalend ETL ToolTalend Interview QuestionsFact Table and its TypesInformatica TransformationsInformatica TutorialVIEW ALL Databases What is MySQLMySQL Data TypesSQL JoinsSQL Data TypesWhat is MongoDBMongoDB Interview QuestionsMySQL TutorialSQL Interview QuestionsSQL CommandsMySQL Interview QuestionsVIEW ALL DevOps What is DevOpsDevOps vs AgileDevOps ToolsDevOps TutorialHow To Become A DevOps EngineerDevOps Interview QuestionsWhat Is DockerDocker TutorialDocker Interview QuestionsWhat Is ChefWhat Is KubernetesKubernetes TutorialVIEW ALL Front End Web Development What is JavaScript â€" All You Need To Know About JavaScriptJavaScript TutorialJavaScript Interview QuestionsJavaScript FrameworksAngular TutorialAngular Interview QuestionsWhat is REST API?React TutorialReact vs AngularjQuery TutorialNode TutorialReact Interview QuestionsVIEW ALL Mobile Development Android TutorialAndroid Interview QuestionsAndroid ArchitectureAndroid SQLite DatabaseProgramming aria-current=page>Uncat egorizedIntroduction To NoSQL Database Cassandra (14 Blogs)Introduction to NoSQL Database Last updated on May 22,2019 14.6K Views edureka4 Comments BookmarkIntroduction to NoSQL DatabaseNoSQL, known as Not only SQL database, provides a mechanism for storage and retrieval of data and is the next generation database . It has a distributed architecture with MongoDB and is open source. Most of the NoSQL are open source and it has a capability of horizontal scalability which means that commodity kind of machines could be addedThe capacity of your clusters can be increased. It is schema free and there is no requirement to design the tables and pushing the data to it. NoSQL provides easy replication claiming there are very less manual interventions in this. Once the replication is done, the system will automatically take care of fail overs.The crucial factor about NoSQL is that it can handle huge amount of data and can achieve performance by adding more machines to your clusters and can be implemented on commodity hardware. There are close to 150 NoSQL databases in the market which will make it difficult to choose to choose the right pick for your system.Why NoSQL?There are different kinds of data that are structured, unstructured and semi-structured and hence RDBMS systems are not designed to manage these types of data in an effecient way. NoSql databases comes in to the picture and are capable to manage it . People today are use different kinds of methodology and if you talk about the code velocity and implementation level, people wish to execute various activities at the same time. Talking about the traditional way, it was quite difficult in terms of taking care of the database and writing your application according to the database. So with the new NoSQL, things have become easier.Benefits of NoSQLNoSQL claims various benefits associated with its usage. From managing data to scalability, it use has increased drastically. Huge amount of data can be managed an d then streamed. Different kinds of data like structured and semi structured data can be analyzed and analytical activities can be performed.If youre not able to drive value out of any data, you can capture this kind of information. Its object oriented programming is easy to use and flexible. It provides horizontal scaling instead of expensive hardware. If you want to scale vertically, then additional CPUs and RAMs have to be purchased. But here horizontal scaling can be used with the help of commodity hardware.NoSQL Database CategoriesDocument Database It pairs each key with a complex data structure known as document. It can contain many different key value pairs, or key array pairs or even nested documentsKey value stores They are the simplest NoSQL databases. Every single item in the database is stored as an attribute name or key together with its value.Graph store They are used to store information about networks, such as social connections.Graph stores include Neo4J and HyperGr aphDB.Wide column stores- Wide column stores such as Cassandra and HBase are optimized for queries over large datasets, and store columns of data together, instead of rows.NoSQL Vs SQL ComparisonACID PropertyACID is a set of properties that guarantees thatare processed reliably. In the context of databases,a single logical operation on the data is called a transaction.Atomicity- Atomicity defines transaction as a logical unit of of work which must be either completed with all of its data modifications or none of them is performed.Consistency- At the very end of the transaction, all data must be left in a consistent state.Isolation- Modifications of data performed by a transaction must be independent of another transaction. Unless this happens, the outcome of a transaction may be erroneous.Durability- When the transaction is completed, effects of the modifications performed by the transaction must be permanent in the system.Got a question for us? 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