An introduction to PostgreSQL Data Types with examples
September 15, 2023This article will show PostgreSQL Data Types with various examples.
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SQL Unit Testing reference guide for beginners
August 11, 2023In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.
How to install PostgreSQL on Ubuntu
July 13, 2023This article covers the different methods to install Postgres on Ubuntu.
Different methods for monitoring MongoDB databases
June 14, 2023This article explains what database monitoring is and why it is essential. Then, it illustrates the different methods for monitoring MongoDB NoSQL databases.
SQL Machine Learning in simple words
May 15, 2023This article is about SQL Machine Learning which is one of the most interesting topics equally attractive to both beginners and professionals of different areas of expertise.
PostgreSQL Tutorial for beginners
April 6, 2023Introduction to the PostgreSQL tutorial In this article, we will have a tutorial to learn PostgreSQL. According to Statista, PostgreSQL is the 4th most popular database in the world (the other ones are Oracle, SQL Server, and MySQL). That is why we think it is an important DBMS to learn.
SQL Cheat Sheet for Newbies
February 21, 2023In this SQL cheat sheet, we’ll look at sample SQL queries that can help you learn basic T-SQL queries as quickly as possible.
How to use the CROSSTAB function in PostgreSQL
February 17, 2023This article will explore the use of the CROSSTAB function in PostgreSQL.
PSQL stored procedures overview and examples
February 14, 2023In this article, we will learn how to create PostgreSQL stored procedures using PSQL.
A quick overview of MySQL foreign key with examples
February 7, 2023In this article, we will learn how to work with MySQL foreign keys with a few examples.
Common use cases of SQL SELECT Distinct
February 2, 2023This article talks about the commonly used scenarios of SQL Select Distinct in an easily understandable format equally suitable for beginners and professionals.
SQL Practice: Common Questions and Answers for the final round interviews
January 26, 2023In this article, we are going to make a SQL practice exercise that will help to prepare for the final round of technical interviews of the SQL jobs.
Introduction to SQL Escape
January 24, 2023This article will provide an introduction to SQL escape characters for using special characters and their characteristics.
Learn the PostgreSQL COALESCE command
January 19, 2023This article will make you learn the Postgres Coalesce command with examples.
Getting started with SQL LIMIT clause
January 13, 2023Today, I am going to explain how to use the SQL LIMIT clause to limit output values. We all know RDBMS systems are one of the popular ways to store, protect, access, and analyze data in a structured way. We can store enormous sizes of data and then further can access them with the help […]
Common SQL Interview Questions and Answers
January 6, 2023If you are working on SQL programming or learning SQL or how to write queries and looking to test your knowledge or prepare for any SQL interview, the below article can help you.
5 Best Practices for writing SQL queries
December 30, 2022In this article, we are going to learn some best practices that help to write more efficient SQL queries. Introduction Queries are used to communicate with the databases and perform the database operations. Such as, we use the queries to update data on a database or retrieve data from the database. Because of these functions […]
Understanding the difference between SQL and MySQL
December 26, 2022This article will explain the difference between SQL and MySQL. Many people get confused between several database terms like SQL, MySQL, SQL Server, or other SQL-related phrases. If you are a database professional, then you should be aware of the difference between SQL and MySQL or other phrases which have SQL words included like PostgreSQL, […]
SQL Server Tutorial
December 23, 2022This article is a SQL Server Tutorial. If you want to learn how to install and start with SQL Server from 0, this is the place to start. We will teach you to install SQL Server, start your first queries, and explain the basics to start with SQL Server Integration Services (SSIS), SQL Server Reporting […]
Use of the RESTORE FILELISTONLY command in SQL Server
December 21, 2022This article explores the RESTORE FILELISTONLY command in SQL Server with examples. Introduction Performing a database backup is an integral part of a DBA’s job. Backups are taken to ensure that data can be recovered in an emergency. There are different restore mechanisms, and the SQL Server DBA needs to understand them to make the […]
The difference between WHERE and HAVING clause in SQL
December 16, 2022This article aims to explain the WHERE, GROUP By, and HAVING clauses in detail. Also, we will see the difference between WHERE and HAVING with examples.
How to add or subtract dates in SQL Server
December 15, 2022This article explores SQL Server functions to add or subtract dates in SQL Server.
Understanding the SQL SUM() function and its use cases
December 13, 2022Today, I will describe the SQL SUM () function along with its use cases in this article. There are various mathematical calculations we need to do in day-to-day business requirements. SQL Server offers various system functions which I have listed below to get these mathematical calculations easily by using them. One such requirement is to […]
Why do we need Correlated Subqueries in SQL
December 9, 2022This article speaks about correlated subquery and why we need it when querying a SQL database. Additionally, we are going to understand the difference between simple subqueries and correlated subqueries with the help of some easily understandable examples.
PostgreSQL Join overview with examples
December 2, 2022In this article, we will learn about different types of PostgreSQL joins with examples.