What is a Relational Database Management System
This article covers the relational database system evolution and covers terms used in relational models such as relation, tuple, attribute, domain, schemas, and key.
2021-01-07
This article covers the relational database system evolution and covers terms used in relational models such as relation, tuple, attribute, domain, schemas, and key.
2021-01-07
Phil Factor explores a lesser-known capability of SQL Compare, which is to help you maintain a 'traditional', well-documented, single file build script, for creating the current version of the database during development.
2021-01-06
Take part in this short exercise (no more than 5 minutes) by letting us know what matters most to you when considering, purchasing, or using database software. As a thank you, you can also enter our prize draw at the end for a chance to win a $150 Amazon gift voucher.
2021-01-05
Introduction The Master database. Just in case that you are not familiar with this database, the Master database is used in SQL Server to store all the system information, instance-level settings, logon information, database file locations, etc. SQL Server can't run without access to a fully functional master database. It's highly recommended not to use […]
2020-11-10
4,057 reads
Learn how to use Git with SQL Server Data Tools to allow branching for development and how to merge development changes.
2020-10-13
Introduction to PostgreSQL PostgreSQL is a free and general purpose open source object-relational database system that uses and extends the SQL language. Though originally designed to run on UNIX platforms, PostgreSQL is eligible to run on various platforms such as Linux, macOS, Solaris, and Windows. PostgreSQL databases provide enterprise-class database solutions and are used by […]
2020-09-28
6,653 reads
With insights from a recent Gartner report, Redgate’s Jamie Wallis looks at the benefits of tracking, and acting on, key metrics early in the DevOps process and how they can apply equally to database monitoring. Read more.
2020-09-24
With insights from a recent Gartner report, Redgate’s Jamie Wallis looks at the benefits of tracking, and acting on, key metrics early in the DevOps process and how they can apply equally to database monitoring.
2020-09-21
Filters are used by Redgate's SQL Compare, SQL Source Control, DLM Dashboard, and SQL Change Automation. A typical use for a filter is to work on just one schema within a database or just a limited set of tables and routines. You would also want to use a filter to exclude certain object, such as database users, from comparisons. Phil Factor explains how they work, and how to create, edit and then use them within the various Redgate tools.
2020-09-02
Many people with tech careers did not follow a straight path to get there. In this article, Pamela Mooney gives some advice for those who would like to be a DBA.
2020-08-31
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
By John
If you’ve used Azure SQL Managed Instance General Purpose, you know the drill: to...
By DataOnWheels
Ramblings of a retired data architect Let me start by saying that I have...
Not sure if this is really a relational theory question but it seems about...
Hi everyone, Below is a consolidated summary of what we validated Architecture & data...
Hi all, I recently moved to a new employer who have their HA setup...
I have this data in a SQL Server 2025 table:
CREATE TABLE Response ( ResponseID INT NOT NULL CONSTRAINT ResponsePK PRIMARY KEY , ResponseVal VARBINARY(5000) ) GOIf I want to get a value from this table that I can add to a URL in a browser, which of these code items produces a result I can use? See possible answers