Hi, what does it actually mean to have a 100Mb link as opposed to a 1000Mb link and what difference does it make to the transfer of Data.
A cross-connection is a direct arrangement of piping that allows the potable (safe. drinking) water pipe to be connected to a pipe supply that contains a. contaminant or pollutant. An example of a cross-connection is a common garden. hose attached to your home outside faucet with the hose outlet end lying in a. pool or inserted into a sewer clean out. Other examples include a garden hose. inserted in a car's radiator for flushing that contains anti-freeze or a hose.
A cross join is used when you wish to create combination of every row from two tables. All row combinations are included in the result; this is commonly called cross product join. A common use for a cross join is to create obtain all combinations of items, such as colors and sizes. Note: The series starts with the article Introduction to Database Joins. All the examples for this lesson are based on Microsoft SQL Server Management Studio and the AdventureWorks2012 database.