Department of Redundancy Department
Ever wonder all the reasons that we use databases instead of file systems? While we don’t think of it too much anymore, the first reason that databases came into existence was to remove redundancies.
2024-04-12
Database Design and Implementation
2023-11-27
3,877 reads
Do You Still Use CHAR?
When designing a database, choosing good datatypes is important, but not necessarily all the time. Today Steve wonders if you still use fixed sting data types.
2022-02-11
200 reads
Mathematicians and SQL
Georg Ferdinand Ludwig Philipp Cantor is considered the creator of set theory, and his theories are the basis for the naïve set theory you learned in school. But there are lots of other mathematicians you should know, such as Hilbert, Frege, Russell, Zermelo and Dedekind. They made a lot of contributions, too. Hilbert Hilbert is […]
2021-01-19
5,548 reads
Data Element Names and Scoping Rules in SQL
How you name data elements in databases and applications programs has often been a matter of personal taste. Decades ago, when I worked for state government, there is a COBOL programmer who would pick a theme for his programs. The paragraphs and variables would be named based on the current theme. One of his programs […]
2021-01-11
2,021 reads
Understanding Data Modeling Part 4: Fact Modeling
In Part 1 we presented some foundation knowledge with which to debunk misconceptions lurking in the "data models" mess in the industry that Friesendal has tried to catalog. In...
2019-05-04
The Blast Radius of a database
Phil Factor feels that the database gets the short shrift in any outage - it's time to stop saying "the database has gone down" and time to start thinking about the resilience of the entire system.
2019-05-04
461 reads
Downgrading A SQL Server Database To An Older Version
"How do I restore a SQL Server backup to a previous version of SQL Server?" is a commonly-asked question. The answer, of course, is you don't - but if you must, there may be some solutions.
2019-05-03
Should I pluralize table names, is it Person, Persons, People or People?
There is a lot of confusion when it comes to designing tables in SQL Server around whether to pluralize names or not. How do you choose whether to pluralize or not?
2019-05-03
Designing Highly Scalable Database Architectures
While architecting cloud native applications, you need to ensure that your system is highly available, performant, scalable, fault tolerant, and has the capability to recover from a disaster scenario. In this article, Samir Behara discusses the options available when designing the database architecture to achieve scalability.
2019-05-02
Blogs
How Redgate Flyway Can Boost Your DevOps Journey
By Chris Yates
A brief introduction to the tool and its advantages for database migrations DevOps is...
Building a Docker image with Docker Build Cloud
In a previous blog post we went through how to build a Docker container...
Top 8 Courses to Learn SQL for Data Science in 2024 & Beyond
Businesses are drowning in data, but starving for insights. That's where SQL experts swoop...
Forums
How to compare data in customer table with other customers to find related cust
select Custno, Addr1, City, Res_Phone, Bus_Phone, Fax_Phone, Marine_Phone, Pager_Phone, Other_Phone, email1, email2 from customer...
process records in loop
I'm only processing 50,000 records not everything from the Table where there are 250,00...
The Marked Transaction
Comments posted to this topic are about the item The Marked Transaction
Question of the Day
The Marked Transaction
I want to mark a transaction in the log as a recovery point. How do I do this in my code if I use the transaction, myTran?
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