SQLShack's profile picture. SQL Shack is a new SQL server blog with articles about database auditing, server performance, data recovery and more

SQL Shack

@SQLShack

SQL Shack is a new SQL server blog with articles about database auditing, server performance, data recovery and more

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SQLShack's tweet image. We’re moving, but not far! 🛫

We're part of @Quest, and we're sharpening our focus on what matters most: trusted data, secure identities, and modern platforms. All to power AI success.

Follow us on LinkedIn, X, Facebook, YouTube or visit 🔗 quest.com.

Developers widely use the data type “String” in MySQL for storing data as well as in different formatting operations. Learn more about “Substring” function to extract a substring from a string: sqlshack.com/mysql-substrin…

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MySQL substring uses with examples

This article will describe an understanding of different ways to use the SUBSTRING function in MySQL.


Data Types are an important part of a database. Choosing the right data type for a table is one of the most important tasks because it determines the kind of data we want to store in a table. Here are #PostgreSQL Data Types with various examples: sqlshack.com/an-introductio…

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An introduction to PostgreSQL Data Types with examples

This article will show PostgreSQL Data Types with various examples.


Unit testing is a testing technique that allows us to the test functionality of the smallest and programmable part of the software. Learn the basics of #SQL unit testing and how to write a SQL unit test through the tSQLt framework: sqlshack.com/sql-unit-testi…

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SQL Unit Testing reference guide for beginners

This article will show SQL Unit Testing details and also gives instructions on how to write SQL unit test through the tSQLt framework.


Understanding your organization's business needs and leveraging #MachineLearning through the import, manipulation, and export process is critical to achieving goals and objectives. Learn more: sqlshack.com/sql-machine-le…


The GROUP BY statement is used to group identical values from the specified column to get the desired output. Manvendra Deo Singh explains how to do a group by clause in your #SQL queries: sqlshack.com/how-to-do-a-gr…

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How to do a group by clause

This article will show the Group By clause, what it does and why we use this in SQL queries.


One of the common requirements for all #dataoperations is the ability to perform aggregation, which #mysql provides. Start with understanding the concept and dive into the process: sqlshack.com/mysql-group_co…

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MySQL group_concat() function overview

This article will describe group concatenation in MySQL.


#Oracle #SQL database has several helpful functions, including the commonly used SUBSTR for string manipulation. Learn more about this function and its syntax, availability, and usage: sqlshack.com/understanding-…

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Understanding Substring in Oracle SQL

This article will describe Substring in Oracle SQL.


When an application grows the associated database grows automatically, so it needs to be scaled to a larger machine or server. Randheer Parmar explains scaling in #oracledatabase and the methods to implement scaling: sqlshack.com/understanding-…

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Understanding the Scalability in Oracle Database

This article will show the scalability options in the Oracle database.


Here is an overview of #MySQL Cluster suitable for both database beginners and professionals. Get a taste of how different components work together to form a system in the form of MySQL Cluster and the challenges it may face: sqlshack.com/mysql-cluster-…

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MySQL Cluster in simple words

This article will show MySQL Clusters in an easily understandable format.


Transact-SQL is an extension of the #SQL that is used to manipulate and fetch data from the Microsoft SQL server. Take a look at sample SQL queries that can help you learn basic T-SQL queries as quickly as possible: sqlshack.com/sql-cheat-shee…

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SQL Cheat Sheet for Newbies

This article will describe a SQL Cheat Sheet for beginners that helps to understand basic SQL queries very quickly.


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