2021-10-08
2,226 reads
Database Design
Much Ado about nothing: missing data
Joe Celko explains how missing data is handled from the printing press to databases.
2021-07-26
Constraints and declarative referential integrity
Database systems have powerful features built right in that can ensure the integrity of data. In this article, Joe Celko discusses keys and constraints.
2021-05-28
Creating Database Build Artifacts when Running Flyway Migrations
This article provides PowerShell automation scripts for running Flyway database migrations. These scripts use SQL Compare to automatically generate all the required database build artifacts in the version control system, for each Flyway deployment.
2021-04-26
Customizing Database Deployments using Flyway Callbacks and Placeholders
How to customize a database deployment process using Flyway, demonstrating how to incorporate tasks such stamping a version number into the latest database build, or writing to the SQL Server log.
2021-02-26
Implementation of Normalization in SQL Server
Introduction In my last article, Discussion on Normalization and Database Design Concepts, I discussed about the normalization concepts. Here, I will take one table in SQL Server and implement different normal forms. As we move up the higher normal forms, we end up on more number of tables. Implementation of Normal Forms Let us start […]
2021-02-22
4,546 reads
Blogs
Why Microsoft Fabric Signals the Next Wave of Data Strategy
By Chris Yates
In today’s data-driven economy, organizations are no longer asking if they should invest in...
PostgreSQL Timeline: History and Evolution
By Rohit Garg
PostgreSQL, often referred to as Postgres, is a powerful, open-source object-relational database system that...
Understanding Zonal Redundancy in Azure SQL MI
By Arun Sirpal
Do you know what happens when you enable zonal redundancy for your SQL managed...
Forums
How a Legacy Logic Choked SQL Server in a 30-Year-Old Factory
Comments posted to this topic are about the item How a Legacy Logic Choked...
Am I doing the right thing, and what does this mean?
On one of my database servers, I have a maintenance plan that includes the...
Upgraded VS2019 to version 16.11.49 but I cannot access my original SSIS package
Hi I upgraded to new version of VS2019 to 16.11.49. My original SSIS package...
Question of the Day
The Updated Columns List
I have this table in SQL Server 2022:
CREATE TABLE CustomerLarge (CustomerID INT NOT NULL IDENTITY(1, 1) CONSTRAINT CustomerLargePK PRIMARY KEY CLUSTERED , CustomerName VARCHAR(20) , CustomerContactFirstName VARCHAR(40) , CustomerContactLastName VARCHAR(40) , Address VARCHAR(20) , Address2 VARCHAR(20) , City VARCHAR(20) , CountryCode CHAR(3) , Postal VARCHAR(20) ) GOIf I check the columns_updated() function return in a trigger, what is the data returned? See possible answers