A | B |
Data | Raw material, from which you can draw conclusions |
Information | Knowledge, intelligence, a particular piece of data with a special meaning or function |
Datatype | to the format and definition of the data in each column |
Primary key (PK) | is the unique identifier for each row of data |
Foreign key (FK) | links data from one table to another by referring to a column in that other table |
Nulls | indicate if the columns must have a value (mandatory) |
Unique | indicates if the value in the column is unique within the table |
Table instance chart | A relational database design used to map the information in the entity relationship model |
Hardware | workstation (desktop) computer, mainframe, monitor, keyboard |
Operating systems | Windows XP, Linux, Mac OS X |
Applications | games, MSOffice, Macromedia Flash, Adobe Photoshop |
3-tier system | clients communicate with a third computer in the middle, which forwards the requests to the servers |
Finance | refers to businesses that deal primarily with money |
Logistics | can be defined as the planning, execution, and control of the movement and placement of people and/or goods, and of the supporting activities related to such movement and placement within a system organized to achieve specific objectives |
Commerce | involves transactions (sales and purchases) having the objective of supplying commodities (goods and services) |
Procurement | refers to all of the processes involved in requesting, ordering, auditing, and paying for goods and services |
Distribution | the commercial activity of transporting and selling goods from a producer to a consumer |
Database | A collection of data arranged for ease and speed of search and retrieval |
Graphic User Interface (GUI) | An interface for issuing commands to a computer utilizing a pointing device, such as a mouse, that manipulates and activates graphical images on a monitor |