31.What are the entities of Service Locator pattern? Following are the entities of this type of design pattern. Service – Actual Service which will process the request. Reference of such …
21.What is Composite pattern? Composite pattern is used where we need to treat a group of objects in similar way as a single object. Composite pattern composes objects in term …
1.What are Design Patterns? Design patterns represent the best practices used by experienced object-oriented software developers. Design patterns are solutions to general problems that software developers faced during software development. …
41.Write a query to delete a table from database.? DROP TABLE table-name is the syntax to delete a table from database.
31.When you will face SQLCODE -911? At the time of deadlock or timeout you will face SQLCODE -911.
21.When you will face SQLCODE -922? If a user is not authorized to access DB2 objects, he will face SQLCODE -922.
11.In a COBOL-DB2 program all SQL statements must be coded in Area A. State whether true or false? This statement is incorrect as SQL statements must be coded in Area …
1.What is the picture clause of Null Indicator variable? S9(4) COMP is the picture clause of a null indicator.
41.What is polymorphism? The word polymorphism means having many forms. In object-oriented programming paradigm, polymorphism is often expressed as ‘one interface, multiple functions’.
31.How to sort an array in C#? Using Array.sort(array) function. It sorts the elements in an entire one-dimensional Array using the IComparable implementation of each element of the Array.
