Looping Structures
C-programming language provides one of the most powerful features known as looping structure When we want to execute some statements repeatedly based on some specific condition looping structure can be helpful. LoopingRead More…
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Goto Statement
C-language provides goto statement to transfer control unconditionally to other part of the program. Although use of goto statement is not advisable but sometime it is desirable to use go to statement.Read More…
Numeric Function
ABS () It returns absolute value of the given values. Syntax: ABS (Val); Example: SELECT abs (-15) FROM DUAL ; Output: 15 Power () It returns power of Mn where m isRead More…
Date Function
Add_Month: It returns date after adding specifies number of months in to the given dates. Syntax: Add_Month (date, month); Example: SELECT add_Month (sysdate, 3) FROM DUAL ; Output: 15-Aug-2016 ; Last_Day: ItRead More…
Conversion Function
Conversion function are used to convert one data type value into another data type. to_number(): It converts character value in to the numeric data type. Syntax: to_number (char); Example: SELECT to_number (substrRead More…
Distributed System
A distributed computer system consists of several computer systems connected through a network for the communication and resource sharing purpose. A distributed system is a system consisting of two or more nodes,Read More…
Real Time System
It is a special purpose operating system. It is used when rigid time requirement have been placed on the operation of a procedure or the flow of data. It is often usedRead More…
Time Sharing System
In a non-interactive computing environment, a user has no direct contact with his program during its execution. Multi programming and batch operating system provides such environment where the various system resources areRead More…
Multi Program Operating System
A single user program cannot keep the CPU busy at all the time. The OS can put many user programs in the memory and let the CPU execute instructions of one programRead More…
Switch Statement
When multiple decisions involved in the program at that time we can use else…if ladder but some time it is difficult to read and understand. In addition to this when the numbersRead More…