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CAI - Obj 5 Terms Review - Databases

NC Curriculum - 2008 v 2

AB
DatabaseA tool used to organize, store, retrieve, and communicate groups of related information.
Tablesthe building blocks of all databases; used to group and organize the information within a database.
EntryA single piece of data in a database table.
FieldA grouping or category of similar information contained in a table; a unique identifier for a category of information
RecordA complete description of all of the fields related to one item in a table.
Data Typesused to control how data in a particular field will be searched, sorted, or used in calculations. The default format is text.
Textused for data that will be sorted in alphabetical order or listed randomly, but will not be used in mathematical calculations.
Memoa data type used for lengthy entries that allows combinations of text and numbers
Numberused for data that may be calculated, sorted, or filtered.
Date/Timedata type used to arrange and sort data chronologically, often used with the input mask field property
Currencydata type used to format numbers as decimal values with a dollar sign.
AutoNumberused to automatically assign a number to each record and to assist in preventing duplication of data.
Yes/Noa data type in toggle format that allows a user to select a yes or no value in a database cell. The default setting is No.
LookupWizarda data type used to define preset values for database entries. This feature increases productivity and accuracy by reducing the amount of data entry required.
Field Propertiesused to control how data is entered in a field
Field Sizeused to control the size of the field, measured in characters
Formatused to control the layout of the field, such as one or two decimal places
Input Maska template-like field property that regulates how data is entered in a cell.
Captiona field property used for column naming that allows a more user-friendly and properly formatted field name than the field name stored in the database design
Filtersallow for the retrieval of information that meets specific criteria.
Filter by Selectionfilters for information related to an active cell
Filter/Advanced Filter Sortused to define specific search criteria in a filter
Sortsallow for information to be arranged in a specific order such as alphabetical, chronological, ascending, or descending.
Database Relationshipsa link between two or more tables in a database
One-to-Many RelationshipsType of relationship that occurs when a record in one table is linked to more than one record in another table.
Many-to-Many RelationshipsFormed by connecting two or more tables that have a one-to-many relationship.
Primany Keyused to format each record in a database as a unique entity. Primary keys allow database tables to communicate.
Foreign Keywhen tables are linked by the primary key, the related field in the second table is known as the foreign key
Junction Tablea table used to join primary key fields from multiple tables
Join Linea graphical representation of the link between two or more tables
Referential Integrityprotects related data that is stored in multiple tables; prevents a customer in a customers table from being deleted if the customer’s ID also appears in the order table
Raw Data ImportA useful and practical method for obtaining information from other sources and creating database tables. Eliminates the need for repetitive data entry and assists in the protection of the data’s integrity.
Querya database object created by placing filters and selecting multiple criteria (comparison operators) to extract information from one or more tables. The resulting data becomes an object that can be saved, recalled, and used to perform other operations.
Andreduces the number of records because both conditions must be met.
Orincreases the number of records because one or the other condition must be met.
Formdatabase object that is used to create a user-friendly format for data entry and retrieval; may include drop-down menus, instructions, navigational controls, and graphics.
Graphicspart of a form such as lines, images, and shapes that are stored in the form’s design.
Datapart of a form that is derived from the fields in the underlying table or query or may be added by the user.
Calcuationspart of a form that are performed by properties set by a user within the form’s design.
Controlsdefine how data can be entered, viewed, or used in calculations in a form’s design.
Descriptive Textpart of a form that can be added for the purpose of identifying fields and forms or adding captions or prompts.
Subformstype of form within and related to a main form through a common field.
Reportdatabase object used to organize, summarize, and print some or all of the data from one or more database tables or queries; used to present data in an attractive format with user selected fonts, colors, shading, borders, graphics, and other enhancements.


CTE Business and Marketing Teacher
Hopewell High School

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