How can we manage the gap in a primary key column created
by a sequence?
Ex:a company has empno as primary key generated by a
sequence and some employees leaves in between.What is the
best way to manage this gap?
what is the difference between primary key & foreign key?
What Do You Mean By Constraint? I Have Some Doughts Advantage And Disadvantages Ofphysical And Funtions Buses ? CTS CTS WIPRO Lamulti tems Ltd...every Move Counts Wipro