Manvendra Singh
Run SQL SELECT UNIQUE statement

Difference between SQL SELECT UNIQUE and SELECT DISTINCT

January 16, 2024 by

Today, we will learn the difference between SQL SELECT UNIQUE and SELECT DISTINCT in this article. As we all know that SQL is a query language that is used to access, create, delete, and modify data stored in a database system like SQL Server, Oracle, MySQL, etc. All these database systems have their query language like TSQL, PLSQL, etc. These query languages are based on ANSI standard SQL language which can also be used in these database systems to perform any transaction.

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Manvendra Singh
use case with ORDER BY clause

How to do a group by clause

April 12, 2023 by

Today, I am going to explain how to do a group by clause in your SQL queries. SQL (Structured Query Language) is a very popular query language that is widely used to access and manipulate records stored in a database. The GROUP BY clause is also a SQL statement that is used to group identical values. Let’s first understand this clause what it does and why we use this clause in SQL queries.

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Arindam Mondal
'HELLO',1,2

Understanding Substring in Oracle SQL

March 22, 2023 by

The Oracle SQL database provides many useful functions to use with your query or programming. The SUBSTR function is one of the most used string functions in the Oracle SQL database. I will also discuss a few important string functions TRIM, UPPER, and LOWER which can be used along with substring functions. In this article, we will discuss substring in Oracle SQL.

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Manvendra Singh
Compare PostgreSQL vs MySQL

PostgreSQL vs MySQL: Understanding their differences

March 13, 2023 by

Today, we will compare the two most popular database products PostgreSQL vs MySQL, and explain the differences between them in this article. There are many database systems based on the relations database management system (RDBMS) concept in the market. Some of them are Oracle, SQL Server, MySQL, PostgreSQL, etc. It’s really important to understand the differences between them before selecting any database product for your application. Keeping this in mind, I am writing this article to explain these two database systems i.e., PostgreSQL vs MySQL, and compare them from various aspects so that you can understand them before taking any decision for your requirements.

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Randheer Parmar
Oracle Database Migration to Azure SQL Database. SQL Server Migration Assistant.

Migrating Oracle Database to Azure SQL Database

February 9, 2023 by

Data Modernization has become important nowadays. Organizations are looking into options to migrate their on-premises database to a cloud and some other heterogeneous databases. In this article, we will see the strategy and options to migrate the Oracle database to the Azure SQL database. We will be leveraging the SSMA tool for migrating the database.

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