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Question3IncorrectMark 0.00 out of 1.00Flag questionQuestion textIdentify a drawback of a NoSQL database.Select one:a. It lacks strong data consistency.b. It deteriorates the system uptime.c. It is less scalable.d. It is not efficient in dealing with extremely large databases.FeedbackANS: ARATIONALE: NoSQL databases lack strong data consistency—the ability to ensure that an update to data in one part of the
database is immediately propagated to all other parts of the database. It stores data as highly optimized key-value pairs with thedata stored in a simple two-column table, one column reserved for a unique record identifier (e.g., customer id) and the other for thedata value.Question4CorrectMark 1.00 out of 1.00Flag questionQuestion textWhich of the following is true of Hadoop?Select one:
Question5CorrectMark 1.00 out of 1.00Flag questionQuestion textWhich of the following databases is designed to store and retrieve data without rigidly implementing the ACID (atomicity,consistency, isolation, and durability) conditions associated with the relational database model?Select one:
ANS: ARATIONALE: A NoSQL database is designed to store and retrieve data in a manner that does not rigidly enforce the ACID(atomicity, consistency, isolation, and durability) conditions associated with the relational database model. The goal of a NoSQLdatabase is to provide very fast performance even as the amount of data that must be processed continues to grow.

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Term
Fall
Professor
NoProfessor
Tags
Data Management, Data Mining, own data requests

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