CGS 2060 Database
Complex Database
Amazon.com allows you to search for thousands of items using images and information that are organized logically; much storage and management requires a ---
Database --- System
Management; Because Microsoft Access includes that only the software needed to create a database, but also the software needed to create forms, reports, data dictionaries and other capabilities
Integrity
a centralized database can help improve data ----
Table
a collection of related records in a database
Multidimensional
a complex database that organizes and stores information in a cube format and measure attributes and feature attributes
Distributed Database
a database that stores in different physical locations and that users access though client/server networks
Database Field
a group of related characters in a database table that represents a characteristic of someone or something
Traditional Filing System Advantages
can hold larger amounts of data; can provide better data integrity
what field name will the data fall under; what data type will be included
data definition that tells users how each unit of data is defined in the database; Which elements are used to describe this data?
Data Administration
data recovery, support, and maintaining and securing the database
Database List
in 1984 Santa used this
Record
in a database view of relational database (Microsoft Access) a row of information
Database Hierarchy
structured in a hierarchy with characters starting with single characters of data, organizing the data into fields, organizing the related fields into records, the records then make up a table.
Logical View
the DBMS engine provides an interface for the end user of the database
Application General Subsystem
the DBMS subsystem that allows for form creation
Forms
to control how information is entered into a database, programmers create --- to help ensure data integrity
Reports
to display or distribute information from a database, programmers or database administrators
Query
to search a database for information
Database Fields
a group of related characters in a database; represents a characteristic of someone and something; Primary key is field designation
Relationship
a link between tables in a relational database that defines how data is related
Data Structure
an integral part of the database management system (DBMS) is the data definition subsection; uses a data schema called this
Data Manipulation Subsystem
the DBMS subsystem that provides for data maintenance and data analysis and the generation of reports
Relational Database
type of database that uses common fields to create links between tables
Data Type
what element of a database field specifies the data in a field such as text, numeric, and date/time
Foreign Key
when you need to link 2 tables in a database that don't have a field in common, one solution is to create a --- in one table that links to the primary key in the other table