1. This week we begin our discussion of database with the goal of creating Web database applications. There is something of a disconnect between modeling data in an object-oriented language, such as Java, and a traditional database. Explain the differences between the two. Object relational mapping is a technique for dealing with these differences. Do some investigating and discuss some of the software solutions that have been developed to solve this problem.;2. Describe SQL superkeys, candidate keys, and primary keys. How do you create a table with a foreign key? Do some research and post some examples with programming code.;Be sure to include citations.
Paper#65736 | Written in 18-Jul-2015Price : $22