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.
Snowflakes are well known for symbolizing uniqueness as no two snowflakes are exactly alike. This is because the conditions under which snowflakes are formed are so uniqâ¦ue in each second that they fall that it is virtually impossible that two snowflakes will form in the exact same way.