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Data storage encompasses the mechanisms and technologies used to store, organize, and manage digital data, ranging from traditional storage devices like hard drives and solid-state drives to cloud-based storage solutions, playing a crucial role in preserving and accessing information in various computing environments.
Author: Philip McMahon In April, the Guardian significantly shifted its content management system (CMS) by migrating from MongoDB to PostgreSQL on Amazon RDS. The Guardian’s CMS tool, Composer, which produces most of its content, was previously backed by a MongoDB database on AWS. This database held about 2.3 million content […]
Oracle has announced a series of significant enhancements to its MySQL HeatWave, introducing support for vector store, generative AI, and a range of in-database machine learning features. These updates are set to revolutionize the way customers interact with their data. One of the standout features is the vector store, currently […]
To get the MySQL version using an SQL command, you can use the SHOW VARIABLES command with a WHERE clause to filter for the version variable. Here’s the SQL command: When you execute this command, it will return the MySQL version in the result set. The output will have two […]
To restart the MySQL server from within the MySQL command line interface, you generally need superuser or administrative privileges on the operating system on which the MySQL server is running. MySQL itself does not provide a SQL command to restart the server. However, you can accomplish this by calling a […]
You can retrieve information about the columns in a MySQL view using the INFORMATION_SCHEMA database. To find the data types of the columns in your view, you can execute the following query: Replace your_database_name with the name of your database, and your_view_name with the name of your view. This query […]
In MySQL, VARCHAR and LONGTEXT are two different data types used to store character strings. VARCHAR is a variable-length character string type that can store up to 65,535 characters. When you define a VARCHAR column, you need to specify the maximum number of characters it can hold. For example, if […]
Date functions in MySQL are a set of functions that allow you to manipulate and extract date and time values from expressions, columns, or literals. Date functions help perform various operations on dates, such as finding the difference between two dates, adding or subtracting intervals from a date, formatting a […]
This is a beginners guide to NoSQL databases. We will talk about what they are, the advantages and disadvantages of NoSQL and relational databases and also the different types of NoSQL including document databases, column stores, key-value stores and graph databases NoSQL databases have grown significantly in popularity since their […]