lang use sql for databse ,,,,
design::: how many tables wat r primary key, wat should be the fulnctionality……………
entity realtion model:::::::when we depect something from real world to a paper taht s model
normalization::::::: to decompose a table in to sub table …..we will do here up to third normal
form which is BCNF biyce code normal form…………
Ms ACCESS ::
managment sys 's functions
RDBMS::: relational dbms
USES OF DATA BASE SYS:::
NET e, g yahoo has users data base
on line shopping check credit card data base..
supermarket the barcode data base.
travel agent access data bases of flights & holidays inns..