Technology Questions

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

    }

   .....

}

PL/SQL is Procedural Language SQL that is an extension of SQL that results in a more structural language composed of blocks. It is mainly used in writing applications that needs to be structured and has error handling.

An Interactive report allows the user to participate in retrieving and present data at each level.while classical report doesn't have access to interact.

As far PHP concern it only support single Inheritance in scripting. we can also use interface to achieve multiple inheritance.

The UIKit framework is used to develop application’s user interface for iOS. UIKit framework provides event handling, drawing model, windows, views, and controls specifically designed for a touch screen interface.

USING HOST VARIABLE we can pass data from COBOL to DB2

The header() function sends a raw HTTP header to a client. We can use header() function for redirection of pages. It is important to notice that  header()  must be called before any actual output is seen..

A31. The self-referencing constraint limits in a single table the changes to a primary key that the related foreign key defines. The foreign key in a self referencing table must specify the DELETE CASCADE rule.