C05A – Computer Sir Ki Class


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Q&A CBSE12D-2015-C05A #5897 siteicon  


Observe the following table carefully and write the names of the most appropriate columns, which can be considered as
(i) candidate keys and (ii) primary key.

Id Product Qty Price Transaction Date
101 Plastic Folder 12” 100 3400 2014-12-14
104 Pen Stand Standard 200 4500 2015-01-31
105 Stapler Medium 250 1200 2015-02-28
109 Punching Machine Big 200 1400 2015-03-12
103 Stapler Mini 100 1500 2015-02-02


Candidate keys : Id, Product
Primary keys : Id


CSKC| Created: 5-Jan-2019 | Updated: 5-Jan-2019|CBSE12D-2015

Introductory Sessions Beginning to Program Tokens Keyword and Identifiers Data Types Variables and Constants Operators Simple User Input Building Expressions and Formulas Simple Real World Problems Simple If and If Else Multiple-Nested-Ladder of If Else Switch case selection Simple Loops Tricks in Loops - break continue scope Loop Applications - Handling numerals Series printing loops Nested Loops Pattern printing loops Number Varieties and Crunches String Handling (Null Terminated) Strings - string class type Functions (Built-in) Functions - user defined Functions Reference Passing/Returning Arrays Concepts and 1-D Arrays Array Data Management Two dimensional arrays and Matrices Structures Basics Structures passing/returning 2D Array Memory Addressing Display Using IO Manipulation Display Using C Formatting Tricks User Defined Data Types Enumerated Types Preprocessor Directives And Macros Exception Handling Programming Paradigms and OOPs Advantages Abstraction and Encapsulation Polymorphism Inheritance Function Overloading Concepts Function Overloading Varieties Function Overloading Special Cases Defining Classes Creating and Using Class Objects Class Members Accessibility Class Function Types Inline Functions Constant Functions Nesting of Functions Class Members Scope Resolution Static Members in a Class Array of Objects Constructor Concepts Default Constructor Parameterized Constructor Copy Constructor Constructor Overloading Destructors Inheritance Fundamentals Public Derivations Private and Protected Derivations Multiple Inheritance Multi-Level Inheritance Class Nesting Data File Concepts Handling Text Files Handling Binary Files Pointer Concepts Pointer and Arrays Pointers and Functions Object Pointers This Pointer Linked Lists Stacks Queues