7132 Module 01 Chapter 1 Practice Quiz – Flashcards
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Database programming languages receive all application requests and translate them into the complex operations required to fulfill those request True False
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False
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A ___ is a collection of related records • Schema • Field • Column • File
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File
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When data are entered into a form and saved, they are placed in the underlying data base as knowledge True False
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True?
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A desktop database is a ___ database Single User Multiuser Workgroup Distributed
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Single-User
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Data processing can be as simple as organizing data to reveal patterns True False
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True
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A XML data base supports the storage and management of ___ XML data Structured Multistructured Fully Structured Semi Structured
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Semi Structured
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Data anomaly is defined as the condition which all of the data in the database are consistent with the real-world events and conditions True False
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False
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The term ___ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment Structured data Transaction Management system Database system
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Database system
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The response of the DBMS to a query is the ____ Ad hoc query Ad hoc response Query result set Integrated view of the data
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Query result set
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End-user data is ___ Knowledge about the end users Raw facts of interest to the end user Information about a specific subject
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Raw facts of interest to the end user
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Accurate, relevant, and timely information is the key to __ Data management Good decision making Knowledge Understanding
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Good decision making?
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Data and information are essentially the same thing
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false
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_____ relates to the activites that make the database execute transactions more efficiently in terms of storage and access speed a. Performance tuning b. database design c. query access d. database management
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Performance tuning
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Which of the following refers to the situation where different version of the same data are stored at different places because they weren't updated consistently? A. Data query B. Data integrity C. Data dictionary D. Data redundancy
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data redundancy
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_____ serves as the intermediary between the user and the database a. DBMSs B.Metadata C. End-user data d. programming languages
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DBMSs
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The database structure in a DBMS is stored as a ___ a. single file b. collection of files c. set of key/value pairs d. collection of queries
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collection of files
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____ refer to a type of database that stores most of its data in RAM rather than in hard disks a. integrated databases b. cloud databases c. desktop databases d. in-memory databases
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in-memory databases
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An advantage of database system is that you needn't perform frequent updates and apply latest patches True/False
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false
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A data warehouse can store data derived from many sources True/False
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true
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Data constitute the building blocks of information True/False
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True
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An operational database is sometimes referred to as an enterprise database True/False
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False
