I recently began writing an article to compare the performance of several window functions to traditional query methods. I began with my favorite function, LAG, but soon found that there were so many other ways to write the query that the article never covered the additional window functions. The article was quite fun to write, […]
When you work with ETL and the source file is JSON, many documents may get nested attributes in the JSON file. Your requirements will often dictate that you flatten those nested attributes. There are many ways you can flatten the JSON hierarchy, however; I am going to share my experiences with Azure Data Factory (ADF) […]
How to use Flyway configuration files to minimize typing during ad-hoc development from PowerShell or DOS; you just type in the Flyway commands you need and hit "go" and the config files take care of all the tiresome connection, authentication and project details.
In this article we will walk through a clear end-to-end process of securely mounting an ADLS gen2 account in Databricks.
Your manager doesn't always know what you're doing, and rarely knows what you've done. That's your job.
The ODBC Driver for Salesforce from CData provides ODBC-based access to live Salesforce data, allowing you to interact with Salesforce data in a range of BI, reporting, and ETL tools — as well as directly using SQL queries. In this article, we demonstrate how to connect to Salesforce data using an ODBC connection in Alteryx Designer to conduct self-service BI, data preparation, data blending, and advanced […]
Oracle has built-in functionality to analyze text. Sanil Mhatre demonstrates how to perform a sentiment analysis on data stored in a table using Oracle Text.
The AWS I3 storage optimized instance family has a potential problem if you choose to use it for storing your data.
I saw an article on using awk, sed, and grep on Linux. I used to know how to use those, though I was by no means an expert. However, working with a stream of text with an input and output was a valuable skill I've used over and over in my career. There are plenty […]
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
You can find the slides and SQL scripts for my session “Spice up your...
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
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Comments posted to this topic are about the item PostgreSQL psql Meta Commands: Databases
Which of the following meta commands (sometimes called backslash or slash commands) within psql will provide you with information about the databases on the cluster?
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