Data Independence in RDBMS
Data independence is ability to modify a schema definition in one level without affecting a schema definition in the next …
Data Abstraction in RDBMS
Data Abstraction is a process of hiding unwanted or irrelevant details from the end user. Data Abstraction can be defined as …
Functional Dependency in RDBMS
A functional dependency defines the relationship between two attributes, typically between a prime attribute (primary key) and non-prime attributes. If …
Normalization in RDBMS
Normalization is a technique of designing the database in structured way. It is the process of organizing the data in database. It was …
Important Questions and Answers of C programming
1. Explain the concept and use of type void? Ans: Void is an empty data type. The void type specifies …
Unary Operators in C
C has a type of operators that act upon a single operand to produce a new value. These types of …
Some important questions and answers in C programming
Q1. What is a string constant? Ans: A string constant is a group of characters surrounded by double quotes. These …
Data Modeling in RDBMS
Data modeling is the process of creating a data model for the data to be stored in a database. Data …
Introduction of SQL
SQL stands for Structured Query Language. Â It is a standard language for Relational Database Management System (RDBMS). Structured Query Language …
Relational Database Management System ( RDBMS )
RDBMS stands for Relational Database Management System. It is a database management system that is based on the relational model introduced by …