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IT 214: Database Fundamentals

AB
RawFacts that haven't been processed
InformationA foundation for decision making
FormattedRaw data that is processed, storage, and presented should be?
"new" Knowledge can be derived from "old" KnowledgeWhat is knowledge key characteristics?
InformationWhat is the key to good decision making?
MetadataData about Data
the proper generation, storage, and retrieval of dataDatabase management focuses on
it helps create an environment for end users to have access to more dataWhat is one of DBMS benefit?
DBMSinteraction between the end user and the database
DBMSreceives all application requests
Spur of the moment questionAd hoc query
Integratedpromotes a view of operations and the big picture
Query set resultWhat sends back to the application?
DesktopA single-user database
Distributeddatabase that supports data
Data warehousestoring data, make tactical or strategic decisions
TransactionalAnother name for a production database
expected type and extent of useApplied to DBMS as most common classfication
create a new queryJohn needs to know what customers are located in Florida
50# of users a workgroup database supports
MS Accessdoes not provide an enterprise database
Data warehouserecognizes the use of historical and aggregated data
the need to track data and produce required reportsData processing (DP) specialists are in existence because of
Databasesoftware, hardware, data, procedures and people
File cabinettraditional file system
set of one or more fieldsWhat is a record consisting of?
RecordA specific entity that can be grouped together. (Hint: All fields)
DataA raw fact
Nonprocedural langagespecifying what must be done
Independence (Data independence)possible to make changes in the data storage
Data dependencesubject to change (Hint: changing the data type)
Logical data formathuman beings view
Structural independencepossible to make changes in the file structure
Data redundancysame data stored at different places
inconsistent redundant dataresults in a data anomaly
Data integrityreal-world events and conditions
Data anamolyareas that are not made successfully because of the redundant area
Database systemregulate the collection, storage, management etc.
End usersrun the organization's daily operations
SoftwareDatabase management systems, operating systems, applications and utilities are all examples of
Database designersDatabase architects
Data dictionarystore the definitions
Proceduresrules that govern the design
Performance tuningmake the database perform more efficiently
Query languagewithout having to specify how it is to be done
Recoveryfixing failures of a database
Structure Query Language (SQL)de facto query language


Bianca Thomas

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