Technology Questions

The dba_insert() function adds a record to a database.

Advantages      : More efficient and quality of service is better.

Dis advantages: Expensive, complicated

DeCLarations GENerator : used to create the host language copy books for the table    definitions. Also creates the DECLARE table.

It can be done by setting the record length’s size to more than half of the page’s size.

Verification: Verification is a process to ensure that the software that is made, matches the original design. In other words, it checks whether the software is made according to the criteria and specification described in the requirement document. It is to check whether you built the product right as per design. It is a low level checking. (It is done in walk-through meetings generally). It checked whether it is made accordingly to the design..

Validation: Validation is a process to check whether the product design fits the client’s need. It checks whether you built the right thing. It checks whether it is designed properly.

A constructor is a member function of a class that is used to create objects of that class. It has the same name as the class itself, has no return type, and is invoked using the new operator. We cannot invoke a constructor directly.

A method is an ordinary member function of a class. It has its own name, a return type (which may be void), and is invoked using the dot operator.