MapReduce Study guides, Class notes & Summaries

ad hoc query A "spur-of-the-moment" question. analytical database A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making. availability In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes. Centralized A database located at a single site. cloud database A database that is created and maintained using cloud serv...

Data Management Foundations - WGU C175, questions and answers graded A+ ad hoc query A "spur-of-the-moment" question analytical database A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making availability In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes centralized database A database located at a single site ...

AWS Certified Solutions Architect Associate Practice Exam Bank complete Distinction level exam help. Amazon Glacier is designed for: (Choose 2 answers) A. active database storage. B. infrequently accessed data. C. data archives. D. frequently accessed data. E. cached session data. B. infrequently accessed data. C. data archives. Your web application front end consists of multiple EC2 instances behind an Elastic Load Balancer. You configured ELB to perform health checks on these E...

AWS Certified Solutions Architect Associate Practice Exam Bank complete Distinction level exam help. Amazon Glacier is designed for: (Choose 2 answers) A. active database storage. B. infrequently accessed data. C. data archives. D. frequently accessed data. E. cached session data. B. infrequently accessed data. C. data archives. Your web application front end consists of multiple EC2 instances behind an Elastic Load Balancer. You configured ELB to perform health checks on these E...

OpenRefine Takes disorganized data and transforms it from one format to another Data collection tool that allows you to create dashboards and story points Tableau Public Tableau Public allows users to Manage and review data in a visual display Visual analysis Calculations Create dashboards from the data * Google Fusion - Filter and summarize across thousands of rows of data - Embed or share the data through charts, maps, network graphs, and custom layouts - Collabor...

3 Vs - Correct Answer-Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Correct Answer-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n) is generally used to describe complex objects. See also class. ad hoc query - Correct Answer-A "spur-of-the-moment" question. alias - Correct Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE ...

3 Vs - Correct Answer-Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Correct Answer-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n) is generally used to describe complex objects. See also class. ad hoc query - Correct Answer-A "spur-of-the-moment" question. alias - Correct Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE ...

HDFS and MapReduce

DSCI-D 351 Exam 1, Questions and answers, 100% Accurate. VERIFIED. In the execution of a MapReduce algorithm, the reduce tasks are always performed after all map tasks have completed. True False - -False The number of hash functions used in MinHash-based LSH has no impact on the accuracy of the similarity estimate. True False - -False The Flajolet-Martin (FM) algorithm is a deterministic algorithm and produces the same estimate for a given stream every time it is run. True False...

You need to quickly find a *managed data processing service* that can help you enable fast, simplified streaming *data pipeline* development with *lower data latency*. Which service is your best solution? - answer *DATAFLOW* Dataflow is a managed data processing service that can help you enable fast, simplified streaming *data pipeline development* with lower data latency. --Serverless stream and batch processing service --cannot handle Apache Spark Which hierarchy level within the GCP O...