Technology Questions

It can either be Final or Abstract

SQL> ALTER USER user_name ACCOUNT LOCK;

SQL> ALTER USER user_name ACCOUNT UNLOCK;

It is stored in the most significant bit. Bit is ON if -ve, OFF if +ve.

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

C++ is created by Bjarne Stroustrup of AT&T Bell Labs as an extension of C, C++ is an object-oriented computer language used in the development of enterprise and commercial applications. Microsoft’s Visual C++ became the premier language of choice among developers and programmers.

new and delete operators are mainly used to allocate and deallocate
during runtime.

Late binding refers to function calls that are not resolved until run time. Virtual functions are used to achieve late binding. When access is via a base pointer or reference, the virtual function actually called is determined by the type of object pointed to by the pointer.