Parts of a Computer. Computers are tools that can help you communicate, research, and create. In this movie, youâll learn about the parts of your laptop or desktop computer. Youâll explore different computer hardware that helps you input information, such as the keyboard, mouse, or scanner.
The snowflake schema is similar to the star schema. However, in the snowflake schema, dimensions are normalized into multiple related tables, whereas the star schema's dimensions are denormalized with each dimension represented by a single table.
A scatter plot (also called a scatter graph, scatter chart, scattergram, or scatter diagram) is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are color-coded you can increase the number of displayed variables to three.