I'm sure there are plenty of examples, but I've seen deceptive data visualizations far too often in mass media. I don't often watch the news, but at times I've been at the gym, saw a graph on a television, and been a little surprised. The issue that bothered me is similar to what's discussed in […]
Introduction We are comfortable with inserting/deleting record(s) into/from a table. But we sometimes get confused when we need to insert or delete records conditionally from a table. Let us look at an example. Example scenario Suppose we have a table, called ALL_EMPLOYEES, which contains all employees' information who are working or had ever worked for […]
Steve has a few thoughts on hiring and the way in which you might want to evaluate a DBA candidate.
Azure Databricks has a number of Access Controls and Row Level Security options that we will explore in this article.
How to exploit the branching and merging capabilities of Git for scaling up team-based development, when doing Flyway migrations.
If you are working with ADF (Azure Data Factory) data flows, then you may have noticed there was a new feature released in November 2020, which is useful to capture any error while inserting/updating the records in a SQL database. This article will describe how to setup the error row handling feature and why it's […]
Apple has implemented some privacy controls for customers, which some advertisers don't like, but Steve agrees with.
Maintain your favorite SQL snippets and queries centrally, using PowerShell to save and update each snippet collection, in JSON, and then converting them into SQL code snippets for SQL Prompt.
SQL Server performance tuning can seem overwhelming when you don’t know where to start. In this article Robert Sheldon explains 9 best practices for performance tuning.
Introduction Azure Storage is the service for storing different types of data. A storage account is created first. The storage account provides a unique namespace for different types of Azure storage data accessible from anywhere in the world over HTTP or HTTPS. Data in the Azure storage account is durable and highly available, secure, and […]
By Steve Jones
anderance – n. the awareness that your partner perceives the relationship from a totally...
By gbargsley
We’ve all been there. Someone walks up and asks, “Is SQL Server having issues?”...
By Chris Yates
In the beginning, there was OLTP – Online Transaction Processing. Fast, reliable, and ruthlessly...
Hello, I think I need a recursive cte query but unsure of the logic....
Comments posted to this topic are about the item The Security of Old Tech
True or False: Tables with a SPARSE column consume more space than regular columns if most values are NOT NULL.
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