@book{12009,
	author = { Connolly, Thomas M. and  Begg, Carolyn E.},
	title = {Databse Systems: A Practical approach to design, Implementation and  Management /},
	publisher = {Pearson,},
	year = {2020.},
	address = {India:},
	edition = {6th ed.},
	note = {Include Index}
}