Due to it's typically massive size, WAN's are almost always slower then a LAN. The further the distance, the slower the network. One of the big disadvantages to having a WAN is the cost it can incur. Having a private WAN can be expensive.
Explanation:Structured Query Language (SQL) is the language that is in the form of database structure which helps in the manipulation of the data and management as well.
SQL is considered as the fourth generation language because it is used for the accessing of the data from the database.It is also known for the advancement in the third generation language and thus also improving the language interface with users.
Macronutrients are complex organic molecules, these molecules give energy to the body, promote the growing and the good regulation of the body. Examples of macromolecules are Proteins, carbohydrates, and Lipids.
Micronutrients are substances that do not give energy to the body but they are essential for the correct functioning of the body. Examples of micronutrients are Vitamins and Minerals.