Query SQL Server with Python and Pandas
In this article, we examine how to read SQL Server data and parse it directly into a dataframe and perform operations on the data using Python and Pandas.
2022-07-25
In this article, we examine how to read SQL Server data and parse it directly into a dataframe and perform operations on the data using Python and Pandas.
2022-07-25
You can summarize data to get counts, averages, sums, and more using GROUP BY in T-SQL queries. Greg Larsen shows you how.
2022-07-25
Learn how to use golang to connect to a PostgreSQL database.
2022-07-22
17,905 reads
There’s a widespread misconception that SQL Server’s columnstore indexes are like an index on every column.
2022-07-22
In this article learn how to download, install and get started building your first Power BI report using SQL Server data.
2022-07-22
Learn how you can use Windows Performance Monitor and the PAL to gather metrics from your SQL Server instances.
2022-07-20
23,779 reads
A brief history of the DevOps movement and a discussion of the pivotal role of a tool like Flyway in the DevOps toolchain, when developing and delivering database changes.
2022-07-20
PostgreSQL database performance is critical for application performance. EzzEddin Abdullah shows how to get information about a query’s performance from the execution plan.
2022-07-20
Learn how to work with SSAS data in Power BI in this article.
2022-07-18
5,556 reads
Database object documentation is essential for explaining to busy developers, and the wider business, the purpose of each object and how to use it. The solution presented in this article consists of a SQL script to allow developers to add comments to MySQL database objects, without affecting the database version, and a simple way to generate a documentation report, in JSON. The SQL script will execute automatically as a callback, during any Flyway Teams migration run, and the report will allow the team to spot any gaps quickly.
2022-07-18
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...
By Steve Jones
I’m in the UK today, having arrived this morning in London. Hopefully, by this...
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