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What is a Database ?

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In computing, database is an organized collection of data stored which is accessed electronically. A database is usually controlled by Data Base Management Systems(DBMS). In a computer data is stored…

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What is a primary key ?

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In relational database primary key is a specific choice of minimal set of attributes that uniquely specify a relation. Primary key is a special realational database table column key that…

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What is SQL ?

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SQL stands for Structured Query Language. It is used for interacting with databases. SQL is also known as standard query language which is used for maintaining relational database management systems(RDBMS)….

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What is Pointers in C++ ?

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Pointers are symbolic representation of addresses and it enables a program to simulate call-by-reference as well as to create and manipulate dynamic data structures. It defines a pointer variable and…

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What is C++ ?

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It is an object-oriented programming language that can be used to create high-performance applications. In 1985 C++ was developed by Bjarne Stroustrup as an extension of c program language. It gives a…

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