SQL Shack

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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…

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…

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…

Learn how to install Postgres on Ubuntu 20.04.5 LTS: sqlshack.com/how-to-install…

#database monitoring consists of a set of techniques and operations that aims to maintain the health and performance of a database management system. Learn the different methods for monitoring #mongodb #NoSQL databases: sqlshack.com/different-meth…

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……

Gauri Mahajan shows how to calculate the standard deviation function manually as well as using the #sql standard deviation function: sqlshack.com/introduction-t…

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…

#PostgreSQL is important to learn as it's the 4th most popular #database in the world. Daniel Calbimonte is sharing his expertise with newbies: sqlshack.com/postgresql-tut…

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…

#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-…

Manvendra Deo Singh compares the two most popular database products #postgresql vs #mysql, and explains the differences between them: sqlshack.com/postgresql-vs-…

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-…

Learn about the different approaches used to insert multiple rows in #SQL: sqlshack.com/learn-sql-inse…

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-…

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…

The main difference between #SQL server and #PostgreSQL to create stored procedures are the dollar-quoting ($$), the use of semicolons (;) and the way to concatenate strings with variables. Learn how to create a PSQL stored procedure: sqlshack.com/psql-stored-pr…

How to create a PostgreSQL stored procedure, and how to work with variables? Find out here:sqlshack.com/psql-stored-pr…

While doing the #database migration you should take care of multiple things to do it successfully. Learn about the strategy and options to migrate the #Oracle database to the #Azure SQL database: sqlshack.com/migrating-orac…