CGS2060 Exam 2

Key concepts

54 cards   |   Total Attempts: 182
  

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Consists of a group or programs that manipulate the database and provide an interface between the database and the user or the database and the application program
DBMS (definition)
DBMS (functions)
-Storing important data for individuals, groups, and organizations, including numbers, text, visual images, audio signals, and so on-Preforming routine tasks, such as helping an individual prepare income tax forms of helping an organization produce paychecks for its employees
- Providing information to help people, group, and organizations make better decisions by asking questions of the database and creating reports-Ensuring that the data is protected and safe from attacks and unauthorized access
Individuals use personal databases to...
Store addresses and contact information, keep track of important dates, and keep track of valuables
The table in a Database has rows and columns
Relational
A column in a table and contains values of the same type
Attribute
A field in a record that is used to identify the record
Key
Uniquely identifies the record so that they can be accessed, organized, and manipulated
Primary key
The Database model is the most popular
Relational
A specific language provided with the DBMS that allows people and other databases users to access, modify, and make queries about data contained in the database and to generate reports
Data Manipulation Language (DML)
The process of extracting data from a data warehouse
Data mining
Allows the actual data to be spread across several databases at different locations
Distributed database
Helped move e-commerce from desktops to mobile devices
Wi-Fi technologies
Credited with having created a market for online mobile apps
IPhone
Function and examples of transaction processing systems (TPS)
-Function: to see which items are selling and which are not. Includes capturing input data, making calculations, storing information in a database, and producing various forms of output (i.e. receipts and purchase orders)-Examples: checkout system on Amazon.com; checkout system at a bookstore; ATM at your bank; keypad on a gas station filling pump
Examples of business-to-business systems
Usually done through e-commerce- raw materials for production of products- tools, parts, and machinery for the production line- office furnishings, equipment, and products- transportation and shipping services