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AfterAcademy Tech

What is a Query and Subquery in DBMS?

In this blog, we will learn about Queries and SubQueries that are used to perform operations on some database.

22 Jan 2020

AfterAcademy Tech

Can you connect two computers for file sharing without using a hub or router?

In this blog, we will see if we can connect two computers without using any hub or router. We will also see if this is possible then how this is done step by step.

22 Jan 2020

AfterAcademy Tech

What is the difference between SQL and NoSQL?

In this blog, we will learn the difference between SQL and NoSQL databases.

21 Jan 2020

AfterAcademy Tech

Swap List Nodes in Pairs-Interview Problem

This is an interview problem asked in companies like Amazon and Microsoft. Given a Linked List you have to swap nodes of the list in pairs.

20 Jan 2020

AfterAcademy Tech

Introduction to Data Structures

Data structures are widely used in every aspect of computer science. Data structures are the way of organizing and storing data in a computer so that it can be used efficiently. In this blog, we will look into data structures, its types, operations and applications.

19 Jan 2020

AfterAcademy Tech

What is an embedded and dynamic SQL?

In this blog, we will learn the difference between the embedded and dynamic SQL in deatail. We will also see which SQL statement to use when?

19 Jan 2020

AfterAcademy Tech

What is the difference between SQL and MySQL?

In this blog, we will learn the difference between SQL and MySQL. People use these terms intechangeably. But both are having different meanings.

19 Jan 2020

AfterAcademy Tech

What is SQL?

In this blog, we will learn about SQL. We will see the definition of SQL and various processes that are involved in the query processing of some SQL query.

19 Jan 2020

AfterAcademy Tech

What is Denormalization in DBMS?

In this blog, we will learn what is denormalization and why do we need it. We will also see the advantages and disadvantages of denormalization.

19 Jan 2020

AfterAcademy Tech

What is Specialization in DBMS?

In this blog, we will learn about the specialization which is a feature of extended E-R diagram with the help of an example.

19 Jan 2020