Technology Questions

First we need to create an instance of a JDBC driver or load JDBC drivers, then we need to register this driver with DriverManager class. Then we can open a connection. By using this connection , we can create a statement object and this object will help us to execute the query.

Requirements gathering, functional design and business process, change management etc are very critical tasks for a business analyst.

Because any Database will supports only 16 foreign keys in a database table. 

It depends upon the Database limits provided to define the Foreign key constraint, e.g. in Sql Server 2005, the recommended max limit for foreign keys is 253, but you can define more.

Even though both PL/SQL and Java (or) .NET can be used, PL/SQL stands above these two in terms of integration overhead. This is because Java is an open source proprietary and Data manipulation is slightly faster in PL/SQL than in Java. 

Pareto analysis is otherwise known as the 80/20 rule. It stipulates that 80%of problems will arise from 20% of causes – that few factors can create big problems.

abstract method is a method declared with abstract modifier but  with out body.

A delegate declares a ref type that references a named of anonymous method. Delegates are secure and type-safe. Consider them as type safe function pointers.