Python

External Article

Screen Scraping with Python and BeautifulSoup Code Examples

  • Article

BeautifulSoup (sometimes referred to as Beautiful Soup library) is one of several widely used screen scraping packages for a web page. It is highly regarded for its ease of use and power.
Screen scraping enables developers to create solutions that permit comparative analyses from all over the internet, such as web applications that look for the best price on an item from many different online stores.

2023-08-25

SQLServerCentral Article

Modifying MySQL data from within Python

  • Article

In the previous article in this series, I introduced you to how to access MySQL data from within a Python script. The article described how to use the MySQL Connector to establish a connection with a database and then retrieve data through that connection. In this article, I continue the discussion by demonstrating how to insert, update, and delete data in a MySQL database, again working with Python and the MySQL Connector.

2023-08-04

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External Article

Modifying MySQL data from within Python

  • Article

In the previous article in this series, I introduced you to how to access MySQL data from within a Python script. The article described how to use the MySQL Connector to establish a connection with a database and then retrieve data through that connection. In this article, I continue the discussion by demonstrating how to insert, update, and delete data in a MySQL database, again working with Python and the MySQL Connector.

2023-08-02

External Article

Retrieving MySQL data from within Python

  • Article

The approach you take when accessing MySQL will depend on the programming language you’re using and the connector you choose for interfacing with the database. Whatever approach you take, the same basic principles generally apply to each environment. You must establish a connection to the database and then issue the commands necessary to retrieve or modify the data.

2023-05-24

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Question of the Day

The LAGing data

I have some simple sales data in a SQL Server 2022 database that looks like this:

TransactionDate SalesAmount
2023-01-15      1200.00
2023-02-22      1500.50
2023-03-10      900.75
If I run this query, what are the sales growth amounts returned?
SELECT
  ms.TransactionDate
, ms.SalesAmount
, ms.SalesAmount - LAG (ms.SalesAmount, 1) OVER (ORDER BY ms.TransactionDate) AS SalesGrowth
FROM dbo.MonthlySales AS ms;

See possible answers