Technology Questions

• SBJson framework is supported by iOS.


• It is a JSON parser and generator for Objective-C (Objective-C is the primary programming language you use when writing software for OS X and iOS. It is a superset of the C-programming language and provides object-oriented capabilities and a dynamic runtime).


• SBJson provides flexible API's and additional control that makes JSON handling easy.

A default is a value which will be used by a column, if no value is supplied to that column while inserting data.

Yes, IDENTITY and TIMESTAMP columns are free from the bounds of default.

CompareValidator  allows checking if data of one control match with other control

One of the major component of ADO.NET is the DataSet object, which always remains disconnected from the database and reduces the load on the database.

In a nutshell, a temp table is a temporary storage structure. It means you can use a temp table to store data temporarily so you can manipulate and change it before it reaches its destination format.

In table_user.gender column change ‘male to female’ and ‘female to male’ in one SQL statement.

UPDATE table_user

SET gender =

CASE gender

WHEN ‘male’ THEN ‘female’

WHEN ‘female’ THEN ‘male’

ELSE gender

END

In a Ethernet network, between any two points on the network, there can be no more than five network segments or four repeaters, and of those five segments only three of segments can be populated.

Dim obj as OBJ.CLASS with eitherSet obj = New OBJ.CLASS orSet obj = CreateObject(OBJ.CLASS?) orSet obj = GetObject( , OBJ.CLASS?)orDim obj as New OBJ.CLASS 

The purpose of garbage collection is to identify and discard those objects that are no longer needed by the application, in order for the resources to be reclaimed and reused.