Technology Questions

If we are not using packages and if we are not using inheritance then there is no difference among public, protected and package access data.

Using global variables in Javascript is evil and a bad practice. That being said, namespacing is used to bundle up all your functionality using a unique name. In JavaScript, a namespace is really just an object that you’ve attached all further methods, properties and objects. It promotes modularity and code reuse in the application.

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.

Sparse matrix,

Index generation

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. 

- Files can be transferred to the server by using the FTP protocol also known as File Transfer Protocol. 

- FTP is used as a standard network protocol that transfers the file from one computer to another computer using the TCP protocol network.

- This uploads the pages and other documents that are stored in private disk to the public web hosting server. 

- FTP is used on a client server architecture that allows different controls and data connections between the client and the server. 

- FTP uses clear-text sign in protocol that allows the client to use the user name and password for authentication purpose.

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.

Web portal is a business gateway, It organizes business operations.

Ex: Online shopping portals, Job portals etc...