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SQL UPDATE

The UPDATE statement is used to modify/update the existing record in table. Syntax: UPDATE table_name SET column1 = value, …....

September 6, 2022 by Learn2Done SQL

SQL HAVING

To filter the records just like WHERE clause, HAVING clause is used. HAVING clause is used with aggregate functions because with...

September 6, 2022 by Learn2Done SQL

SQL GROUP BY

Select statement is used to fetch data from a table. Mainly the data is fetched by two ways using select...

September 6, 2022 by Learn2Done SQL

SQL ORDER BY

ORDER BY keyword is used to order the record in ascending or descending order. To order the record in in...

September 6, 2022 by Learn2Done SQL

SQL WHERE

Where clause is used to apply condition on to filter the records. It is used to get the desired record....

September 6, 2022 by Learn2Done SQL

SQL SELECT

Select statement is used to fetch data from a table. Mainly the data is fetched by two ways using select...

September 6, 2022 by Learn2Done SQL

C++ VARIABLES Copy

#include<iostream> using namespace std; void main() { cout<<"Learn2Done" } Explanation of above syntax: #include<iostream>: It is a header file library...

September 6, 2022 by Learn2Done C++

C++ POINTER

A pointer is a particular variable that holds the memory address and usually holds the location of another variable in...

September 6, 2022 by Learn2Done C++

C++ POLYMORPHISM

Polymorphism in C++ means, the same entity (function or object) behaves differently in different scenarios. The term “Polymorphism” is the...

September 6, 2022 by Learn2Done C++

INSERT INTO

INSERT INTO statement is used to add data into the table. Data in the table can be inserted into two...

September 6, 2022 by Learn2Done SQL