Blogs Aisha Bukar in Blogs A Beginners Guide to MySQL Replication Part 1: Introduction to MySQL Replication MySQL Replication is a process where data from one MySQL database known as the source (formerly called “master”) is copied... 30 March 2023 9 min read
BI Dennes Torres in BI Using Virtual Network Data Gateways to Secure Access to Azure SQL in Power BI Power BI and Azure are two related services, but with a considerable independence between them. Power BI share the Azure... 27 March 2023 11 min read
T-SQL Programming Greg Larsen in T-SQL Programming Paging Data in T-SQL Sometimes when working with very large sets of data, you may not want to return all of the data at... 20 March 2023 10 min read
Oracle Chandra Rawat in Oracle The SELECT Statement in Oracle The SELECT statement is used to retrieve information from a database. Following the execution of a SELECT statement, a tabular... 16 March 2023 19 min read
PostgreSQL Henrietta Dombrovskaya in PostgreSQL Are PostgreSQL memory parameters magic? Configuration parameters are the most mythical creatures in the world of PostgreSQL. Ordinary PostgreSQL users often do not know that... 13 March 2023 10 min read
T-SQL Programming Louis Davidson in T-SQL Programming Optional Code in T-SQL Scripts using SQLCMD When you are writing T-SQL scripts to save away, for example one to create a new database, there are often... 06 March 2023 6 min read
MySQL Robert Sheldon in MySQL Retrieving MySQL data from within Python Applications of all types commonly access MySQL to retrieve, add, update, or delete data. The applications might be written in... 02 March 2023 18 min read
Theory and design Joe Celko in Theory and design Getting Out of Character In this article, Joe Celko gives us a history of the different character sets that are used in computing and... 28 February 2023 13 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming Find 40 Problems in this SQL Server Stored Procedure I’ve been at this for a while now, and have a very particular set of rules and coding conventions that... 23 February 2023 21 min read
Ryan Booz PostgreSQL Basics: Object Ownership and Default Privileges In the first security article, PostgreSQL Basics: Roles and Privileges, I discussed how roles (users and groups) are created and... 21 February 2023 15 min read
Learn SQL Server Greg Larsen in Learn SQL Server Using TOP clause in a SELECT statement There might be a time when you might want to return just a few rows of a result set, instead... 06 February 2023 11 min read
PostgreSQL Grant Fritchey in PostgreSQL PostgreSQL Constraints: Learning PostgreSQL with Grant One of the most important aspects of data management is the ability to ensure that the data in your database... 02 February 2023 23 min read
MySQL Lukas Vileikis in MySQL Optimizing Queries in MySQL: Optimizing Reads Optimizing read operations is one of the most prominent problems concerning any database administrator. No matter what kind of database... 31 January 2023 28 min read
PostgreSQL Ryan Booz in PostgreSQL PostgreSQL Basics: Roles and Privileges Information security, whether in databases, applications, or larger IT systems, is based on the principles of Authentication and Authorization, often... 19 January 2023 19 min read
Learn SQL Server Greg Larsen in Learn SQL Server Manage Data Over Time with SQL Server MERGE Statement Once data is in a table it needs to be maintained. New records will need to be added, and existing... 17 January 2023 13 min read
PostgreSQL Grant Fritchey in PostgreSQL Index Types in PostgreSQL: Learning PostgreSQL with Grant As with any other relational data management system (RDBMS), PostgreSQL uses indexes as a mechanism to improve data access. PostgreSQL... 09 January 2023 15 min read
MySQL Robert Sheldon in MySQL Introducing the MySQL common table expression As with many relational database management systems, MySQL provides a variety of methods for combining data in a data manipulation... 05 January 2023 23 min read
Blogs Louis Davidson in Blogs Dealing with the Bits of a Binary Value in SQL Server In this article, I want to talk about a topic that you may never need. The only time I have... 04 December 2022 5 min read
MySQL Robert Sheldon in MySQL Subqueries in MySQL A subquery is a type of query that is embedded—or nested—into a data manipulation language (DML) statement. The data returned... 02 December 2022 22 min read
T-SQL Programming Edward Pollack in T-SQL Programming Converting Data Across Time Zones: An In-Depth Primer If only the entire world used UTC, wouldn’t life be so much easier? We can dream, can’t we? While some... 21 November 2022 27 min read
