Interview Questions

bcoz interface does not contains any initializers and constructors to initialize its data members.

Static member class is a class defined inside outer class with static modifier.

EX:

Class A {  //top level class or outer class

    .....

    static class B {  //static member class

    }

   .....

}

- The web pages that are loading slowly might be using heavy scripts or might be getting loaded on an overloaded server. 

- If the content like flash is used then the web page performs really slowly in comparison to the normal pages that get created. 

- If the caching is inactive on the web browsers and the same web page is getting loaded again and again then the performance get degraded.

- Web pages load slowly due to the content on that page as if it is text it loads faster then the site that is made up of large photographs. 

- It takes longer time for a picture to get rendered and the transmission time also remains higher then the text.

Encapsulation describes the ability of an object to hide its data and methods from the rest of the world 

Every architecture rely on a database that is easy to maintain and gets easily configured Amazon uses the database by the name SimpleDB. This is the database that is used for cloud architecture to track the statuses of the components. The component of the system are asynchronous and discrete, it requires capturing the state of the system so that in any failure the user can easily revert back to its normal configuration. SimpleDB is schema-less database and there is no need to define the structure before the creation of any data. Every controller in the database defines their own structure and link the data to a job.

Fractional reserve banking is the practice whereby a bank accepts deposits, makes loans or investments, but is required to hold reserves equal to only a fraction of its deposit liabilities. Fractional reserve banking is a banking system in which only a fraction of bank deposits are backed by actual cash on hand and are available for withdrawal. This is done to expand the economy by freeing up capital that can be loaned out to other parties.

Too_many_rows.

No_Data_Found.

Zero_Error.

A foreign key is a reference to another table. It is used to establish relationships between tables. For example, relationship between employee and professor table. One employee can have multiple professors. The Primary key of employee becomes foreign key of professor.
Example:
create table employee ( id number NOT NULL, professor_id NOT NULL, Name varchar(200) Constraint prim_id Foreign key(id) references professor(professor_id) );