To rename a column using Table Designer. In Object Explorer, right-click the table to which you want to rename columns and choose Design. Under Column Name, select the name you want to change and type a new one.On the File menu, click Save table name.o rename a column using Object Explorer. In Object Explorer, connect to an instance of Database Engine. In Object Explorer, right-click the table in which you want to rename columns and choose Rename. Type a new column name.
Answer-Yes   Evolution is very random as it is based on mutations in the genetic code of organisms, although this process is random natural selection is NOT random and it is one of the main principals of this theory. Answer 3 Yes, and no.
One way species change over time is called convergent evolution. Convergent evolution is when two species, that are not related via a recent common ancestor, become more similar. Most of the time, the reason behind convergent evolution occurring is the build up of adaptations over time to fill a certain niche. When the same or similar niches are available in different geographical locations, different species will most likely fill that niche.