DIY Database Clones
This article explores the 'shadow copy' and 'disk virtualization' services built into the Windows operating system and explains a basic solution demonstrating how the technology is used to copy the data and log files for a live SQL Server database into an 'image', from which we can create multiple, lightweight copies, or clones, of the original database.
Why Indexes are Important Beyond Faster Execution of Queries
Learn how indexes can help you with more than just querying data.
SQL EXISTS Use Cases and Examples
I’ve seen the SQL EXISTS keyword in Microsoft SQL Server T-SQL code and don’t understand it well. What does it do? How do I use it? Are there best practices around SQL IF EXISTS?
Database Ledger in SQL Server 2022
Learn how ledger databases and ledger tables work in SQL Server 2022.
Limiting the Ability to Concentrate and Collaborate
Open offices have an interesting side effect: less collaboration.
Mastering SQL VIEWs: Syntax, Use Cases, and Best Practices
VIEWs are an undervalued and underused feature in SQL. They basically consist of a query that has been given a name, and a parameter list, so can be used like an inline macro. Technically, you’re supposed to think of it as a virtual table.
I Love Editorials
Why do I love editorials, I can hear you asking. The answer is simple. It's all about opinions. I have opinions. Lots of them. Lots and lots of them. I'm flying home from Hong Kong after visiting a Redgate customer. They are doing amazing work.. It's so cool getting to see how people are solving […]
Building a RESTful API with FastAPI and PostgreSQL
This article shows how to use Python to create a REST API for your application that developers can use to access the database.
The Journey to PostgreSQL (or anything)
Learning is fundamental in technology. Steve has a few thoughts on adopting a new technology at work.
Blogs
A Cloud Dependency Failure from Amazon
By Steve Jones
I went to sleep while reading a Kindle book on my phone. I know...
Deploying AI in logistics (the unfiltered version)
A conversation with Jan Laš, CIO at HOPI, about what deploying a data agent...
T-SQL Tuesday #198 Invitation: How Do You Detect Data Changes?
It's time for T-SQL Tuesday #198! This month's topic is change detection. The post T-SQL...
Forums
BCA Syariah KC Samanhudi Hub/Wa 08216977701
Komplek Perkantoran Mitra Krekot, Jl. Samanhudi No.21 1, RT.1/RW.7, Ps. Baru, Kecamatan Sawah Besar,...
Bca Kcp Pembangunan Hub/Wa (08216977701)
Jl. Pembangunan I No.25A, RT.11/RW.1, Petojo Utara, Kecamatan Gambir, Kota Jakarta Pusat, Daerah Khusus...
BCA KCP Pintu Air Hub/Wa (08216977701)
Jl. Pintu Air Raya No.36 Q, Ps. Baru, Kecamatan Sawah Besar, Kota Jakarta Pusat,...
Question of the Day
Creating a JSON Document III
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers