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.
Scatter Diagram. The scatter diagram is known by many names, such as scatter plot, scatter graph, and correlation chart. This diagram is drawn with two variables, usually the first variable is independent and the second variable is dependent on the first variable. The scatter diagram is used to find the correlation between these two variables.