There is a huge amount of data being generated in our day to day lives. This data needs to be stored and accessed whenever it is needed. Data is stored in the form of tables or spreadsheets. A table is a collection of rows and columns. A row represents the horizontal part of data while column represents the vertical part of the data. What are Rows? Data arranged horizontally from left to right in a sequence is known as a row. This data can be numbers or words. Data is present in the form of a straight line from left ... Read More

Data migrations are the procedures to transfer information from one database to another. It must be an integral component of any strategy, including cloud migration. Database migrations become more crucial as firms transfer their functions to the cloud. Because it is designed to be scaled up and adjusted as required, the cloud is an excellent alternative for companies looking to improve the performance of their data management systems. In this article, we'll discuss the basics of database migrations in the cloud. What Is Cloud Migration? Cloud migration moves a company's data, apps, and other IT resources from an on-premises environment ... Read More

Database users interact with data to update, read, and modify the given information daily. There are various types of database users and we will learn in detail about them. Database users can be divided into the following types − Naive users / Parametric users Sophisticated users End Users Application Programmer or Specialized users or Back-End Developer System Analyst Database Administrator (DBA) Temporary Users or Casual Users These users can access the database and recover the data using various applications. Let’s have a quick understanding of all the types in detail − End Users/Parametric Users These users access the ... Read More

MySQL and MariaDB are two of most popular open-source relational database management systems (RDBMS) used by businesses and organizations around world. As a Linux administrator, you need to have right tools to manage these databases efficiently. In this article, we'll take a look at eight best MySQL/MariaDB GUI tools for Linux administrators. phpMyAdmin phpMyAdmin is a web-based MySQL/MariaDB GUI tool that allows you to manage databases, tables, and other database objects. It provides a simple and user-friendly interface that makes it easy to manage your databases. With phpMyAdmin, you can perform tasks like creating, deleting, and modifying databases, tables, and ... Read More

If you work with MySQL databases, you know how important it is to have a reliable and user-friendly management tool. Adminer is one such tool that has gained popularity in recent years. In this article, we will explore features and benefits of using Adminer as a MySQL database management tool. What is Adminer? Adminer is a full-featured MySQL database management tool that allows you to manage databases, tables, columns, relations, indexes, users, and permissions. It is an open-source tool that is available for free and can be installed on your local computer or web server. Adminer is lightweight, easy to ... Read More

Introduction The use of SQL in data management has been an essential part of modern businesses for many years now. As companies continue to generate large amounts of data, the need for efficient management of that data becomes even more crucial. One aspect of this management is query optimization. This involves writing efficient and optimized SQL queries to retrieve data in the shortest possible time. With the rise in big data and cloud computing, optimizing SQL queries has become increasingly important. In this article, we'll discuss the best SQL query optimization tools available today and how they can help you ... Read More

NoSql databases are those databases that do not store the data as data is stored in relational databases. Most of the data that is used in real life is often unstructured. These NoSQL databases provide an easy way to store this unstructured data by using key-value pairs. In this article, a NoSQL database called Firebase is used with a C program that controls the IOT circuit. The article presents the writing of the values to the firebase and getting the values from the firebase in real time and using those for controlling the circuit components. Connecting the Firebase, Wifi, C ... Read More

As more and more businesses are shifting to MongoDB for their database management, it is important to keep a close eye on its performance. Monitoring MongoDB performance can help you identify any potential issues, prevent downtime, and improve overall efficiency of your database. Here are 5 useful tools to monitor MongoDB performance − MongoDB Compass MongoDB Compass is a visual tool that provides a comprehensive view of your MongoDB database. It allows you to monitor performance of your MongoDB instance in real-time, with metrics such as disk usage, memory usage, and network traffic. With MongoDB Compass, you can also identify ... Read More

In today's digital world, data is one of most valuable assets of any organization. Managing and organizing data is crucial for smooth functioning of a business. Database Management Software (DBMS) helps organizations in this regard by storing, organizing, and retrieving data efficiently. Choosing best DBMS for your organization is a crucial decision, as it can affect performance and productivity of your organization. In this article, we will discuss top 25 DBMS available in market. Oracle Database Oracle Database is one of most popular DBMS used by large organizations. It is a multi-model database management system that supports both SQL and ... Read More

In SQL Server, there are a number of different techniques to combine records into strings. Different methods to combine rows into a string which we will study in this tutorial − COALESCE XML PATH STRING_AGG First approach: COALESCE To combine many rows into a single string using the COALESCE method, first, create a variable of type varchar to hold the coalesced strings, then use a comma to separate each row's string values. Finally, apply the COALESCE to the variable. Syntax Select column_name1, column_name2, .. from table_name Declare @variable1 Varchar(MAX), @variable2 Varchar(MAX), ..; Select @variable1 = COALESCE(@variable1 ... Read More