User:Auró/sandbox 3

Basics

Basically a data base is a table containing information organized in columns and rows. Table 1 below is a simple instance of a database.

Table 1

	Customer	Purchase order	Product	Manufacturing unit	Quantity
cabecera A		A2	A3	A4
cabecera B	B1	B2	B3	B4
cabecera C	C1	C2	C3	C4
cabecera D	D1	D2	D3	D4
cabecera E	E1	E2	E3	E4