Technology Questions

The most important responsibilities of a business systems analysts are as a communication conduit between the stakeholders and the team 

advantages: view is used to retrieve the data very fastly from the database tables
* memory wastage is reduced
* faster than joins to retrieve the data from database tables

disadvantages:
* view is not a container,it will not hold the data
* view memory is not permanent memory

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. 

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.

1)standered table

2)index table

3)hashed table

4)sorted table

long lastModified();

we can give this return value to a date object and we can get data to be displayed.

It is the ability of an object to behave differently on different situations for the same message.

It Return true if the argument is not a number.