Window Functions in SQL greatly simplify a whole range of financial and statistical aggregations on sets of data. Because there is less SQL on the page, it is easy to assume that the performance is better too: but is it? Dwain gets out the test harness to investigate.
When should you use a SQL CLR Aggregate? Lots of people have struggled with this one, but David Poole found a use, and has some interesting performance data analysis as well.
The code in this tip will demonstrate how to continue SQL Server Log Shipping after a file has been added to the primary SQL Server database.
This industry-first T-SQL source code unscrambler automatically reads the details hidden in T-SQL stored procedures without altering the source code. With this granular information, it generates organized and precise data flow diagrams along with plain-language descriptions of each programming step within any database object. Resulting documentation can be generated in PDF, Word or HTML.
In this article, Thomas Knight analyzes and critiques the design of, and experience with, the "dual-level" user security in SQL Server. He then demonstrates a better theoretical alternative.
Old data can come back to haunt you. Steve Jones talks about potential problems when data comes back to life.
Ask database administrators how they implement disaster recovery in their big data environments and you'll get two typical responses: DR plans are not necessary and backups take up a lot of space. Despite this reasoning, a disaster recovery plan for your big data implementation may be essential for your company's future.
Big Data is being used to analyze more and more data to produce better decisions. However that doesn't always work as people might expect. Steve Jones talks about some of the issues with using Big Data in hiring.
This is an introduction to the SQL Server Microsoft Sequence Cluster Algorithm.
By Steve Jones
I was listening to the radio the other day and the hosts were discussing...
By Steve Jones
We’re a week late, once again my fault. I was still coming out of...
By Steve Jones
I ran across this article recently (https://www.gatesnotes.com/meet-bill/source-code/reader/microsoft-original-source-code) and it has a great opening piece...
Comments posted to this topic are about the item Learning From Breakage
Comments posted to this topic are about the item Python in Action to Auto-Generate...
Comments posted to this topic are about the item Adding and Dropping Columns I
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ) ON [PRIMARY] GOI decide to add two new columns for the StateProvince and Country. What code should I use? See possible answers