what are the basic characteristics of a nosql database quizlet?
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Define and describe the basic characteristics of a NoSQL database. They are not based on the relational model and SQL, hence the name NoSQL. There is no standard for the NoSQL data model. It uses the key-value data model which is schema-less.
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The NIST definition lists five essential characteristics of cloud computing: on-demand self-service, broad network access, resource pooling, rapid elasticity or expansion, and measured service.
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['Improved data quality.', 'Improved trust in data integrity.', 'Improved documentation and control.', 'Reduced data redundancy.', 'Reuse of data.', 'Consistency in data use.', 'Easier data analysis.', 'Improved decision making based on better data.']
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The data structures used by NoSQL databases (i.e. JSON documents) differ from those used by default in relational databases, making many operations faster in NoSQL than relational databases due to not having to join tables (at the cost of increased storage space due to duplication of data – but storage space is so ...
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['Provides security and removes redundancy.', 'Self-describing nature of a database system.', 'Insulation between programs and data abstraction.', 'Support of multiple views of the data.', 'Sharing of data and multiuser transaction processing.']
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['Hierarchical databases.', 'Network databases.', 'Relational databases.', 'Object-oriented databases.', 'Graph databases.', 'ER model databases.', 'Document databases.', 'NoSQL databases.']
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No, NoSQL is a paradigm, not a programming language. ... In comparison various NoSQL databases have their own query languages, from Gremlin/Tinkerpop for graph databases like JanusGraph, to JSON-styled query systems such as for DynamoDB, to even SQL-like languages that lack RDBMS features, like table JOINs.
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['Hardware.', 'Software.', 'Data.', 'Procedures.', 'Database Access Language.']
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['Scalability. Compared to a few years ago, cloud-hosted databases can be scaled quickly, cheaply, and efficiently. ... ', 'Reduced Administrative Burden. ... ', 'Improved Security. ... ', 'Inflexibility. ... ', 'Cost. ... ', 'Downtime.']
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['Internal Level: Actual PHYSICAL storage structure and access paths.', 'Conceptual or Logical Level: Structure and constraints for the entire database.', 'External or View level: Describes various user views.']
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It is much simpler to write complex data extraction and processing workflows in JQL compared to SQL. Typical analytics queries, like funnels and retention, end up being much shorter and easier to understand. JQL is very flexible. Its API is functional, similar to Apache Spark, not declarative, like SQL.
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['Amazon Relational Database Service (RDS) A managed service that makes it easy to set up, operate, and scale a relational database in the cloud. ... ', 'Amazon Aurora. A MySQL- and PostgreSQL-compatible relational database built for the cloud. ... ', 'Amazon ElastiCache. ... ', 'Amazon DocumentDB.']
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['A data field holds a single fact or attribute of an entity. ... ', 'A record is a collection of related fields. ... ', 'A file is a collection of related records. ... ', 'Files are integrated into a database.']
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MongoDB and SimpleDB are both examples of: NoSQL databases.
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['Self-describing nature of a database system.', 'Insulation between programs and data, and data abstraction.', 'Support of multiple views of the data.', 'Sharing of data and multiuser transaction processing.']
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['Five characteristics of high quality information are accuracy, completeness, consistency, uniqueness, and timeliness.', 'Information needs to be of high quality to be useful and accurate. ... ', 'Completeness is another attribute of high quality information. ... ', 'Consistency is key when entering information into a database.']
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A private cloud exhibits the key characteristics of a public cloud, including elasticity, scalability, and self-service provisioning. The major difference is control over the environment.