Podcast
Questions and Answers
identifies the quality of the data
identifies the quality of the data
Collection of data organized in a manner that allows access, retrieval, and use of that data
Collection of data organized in a manner that allows access, retrieval, and use of that data
points out the accuracy of a computer’s output depends on the accuracy of the input
points out the accuracy of a computer’s output depends on the accuracy of the input
Data is organized in layers. What are those?
Data is organized in layers. What are those?
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A_________ is one byte. Numbers, letters, spaces, punctuation marks, or other symbols
A_________ is one byte. Numbers, letters, spaces, punctuation marks, or other symbols
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is a combination of one or more related characters
Field name
Field size
Data type
is a combination of one or more related characters Field name Field size Data type
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A ________ is a group of related fields
A ________ is a group of related fields
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A _________ is a collection of related records
A _________ is a collection of related records
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A__________ uniquely identifies each record
A__________ uniquely identifies each record
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In maintaining data. Users _____________ to a file when they obtain new data
In maintaining data. Users _____________ to a file when they obtain new data
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_______________refers to the procedures that keep data current. Adding records, modifying records, and deleting records.
_______________refers to the procedures that keep data current. Adding records, modifying records, and deleting records.
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Allows users to create a computerized database, Add, modify, and delete data, Sort and retrieve data, Create forms and reports from the data
Allows users to create a computerized database, Add, modify, and delete data, Sort and retrieve data, Create forms and reports from the data
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Collection of unprocessed items
Text
Numbers
Images
Audio
Video
Collection of unprocessed items Text Numbers Images Audio Video
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Users ______________________ to correct inaccurate data or update old data
Users ______________________ to correct inaccurate data or update old data
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____________ compares data with a set of rules or values to find out if the data is correct
____________ compares data with a set of rules or values to find out if the data is correct
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A___________ contains data about each file in the database and each field in those files
A___________ contains data about each file in the database and each field in those files
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A _______ provides several tools that allow users and programs to retrieve and maintain data in the database. Query language, query by example, from, and report generator.
A _______ provides several tools that allow users and programs to retrieve and maintain data in the database. Query language, query by example, from, and report generator.
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A _____________ consists of simple, English-like statements that allow users to specify the data to display, print, or store
A _____________ consists of simple, English-like statements that allow users to specify the data to display, print, or store
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_____________ provides a GUI to assist users with retrieving data
_____________ provides a GUI to assist users with retrieving data
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A ________ is a window on the screen that provides areas for entering or modifying data in a database
A ________ is a window on the screen that provides areas for entering or modifying data in a database
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A ______________ allows users to design a report on the screen, retrieve data into the report design, and then display or print the report
A ______________ allows users to design a report on the screen, retrieve data into the report design, and then display or print the report
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A ________provides means to ensure that only authorized users access data at permitted times
A ________provides means to ensure that only authorized users access data at permitted times
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A _____________consists of rules and standards that define how the database organizes data
A _____________consists of rules and standards that define how the database organizes data
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A _________________ stores data in tables that consist of rows and columns
A _________________ stores data in tables that consist of rows and columns
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A__________ is a link within the data
A__________ is a link within the data
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has a primary key
has a primary key
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Each___________ has a unique name
Each___________ has a unique name
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___________________ is a query language that allows users to manage, update, and retrieve data
___________________ is a query language that allows users to manage, update, and retrieve data
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An____________________ stores data in objects, often use Object Query Language (OQL) to manipulate and retrieve data
An____________________ stores data in objects, often use Object Query Language (OQL) to manipulate and retrieve data
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A_________________can store data in more than two dimensions of data
A_________________can store data in more than two dimensions of data
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A ________________ is a huge database that stores and manages the data required to analyze historical and current transactions
A ________________ is a huge database that stores and manages the data required to analyze historical and current transactions
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Decides on proper field placement, defines data relationships, and identifies users’ access privileges
Decides on proper field placement, defines data relationships, and identifies users’ access privileges
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Creates and maintains the data dictionary, manages security, monitors performance, and checks backup and recovery procedures
Creates and maintains the data dictionary, manages security, monitors performance, and checks backup and recovery procedures
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