Phil Factor takes a strategic look at common SQL data masking techniques, and the challenges inherent in masking certain types of sensitive and personal data, while ensuring that it still looks like the real data, and retains its referential integrity, and distribution characteristics.
2021-01-11
This article will show how you can read the @@OPTIONS variable and determine your settings.
2021-01-08 (first published: 2019-11-14)
8,213 reads
The SQL Server error log is a great source of information for DBAs for monitoring errors and the operation of the server. In this article, Greg Larsen explains the details and how to configure the SQL Server error log.
2021-01-08
Have you ever had to demonstrate a database-driven application, and longed to have the real data to do so? To do what, precisely? Well, so you can then scroll through the customers who have used the system, demonstrate the accounting and audit, browse through the products, maybe even demo the customer tracking system with comments, complaints and so on. All this is possible, using realistic, fake data.
2021-01-08
DML, or Data Manipulation Language, statements are used to manipulate the data present in a database. The most important DML statements are INSERT, UPDATE & DELETE. This tutorial covers the various PostgreSQL DML statements and how we can use them with SQL shell as well as pgAdmin. Assuming you are familiar with table creation in PostgreSQL, […]
2021-01-07
8,103 reads
This article covers the relational database system evolution and covers terms used in relational models such as relation, tuple, attribute, domain, schemas, and key.
2021-01-07
Comparing current performance to baselines helps DBAs know when there’s a problem. In this article, Pamela Mooney describes how to measure the physical resources drive space, latency, memory, and CPU.
2021-01-06
Phil Factor explores a lesser-known capability of SQL Compare, which is to help you maintain a 'traditional', well-documented, single file build script, for creating the current version of the database during development.
2021-01-06
Learn how to generate some convincing data for your development databases.
2021-01-05
2,914 reads
In this article we look at PowerShell code you can use to import Excel data into SQL Server.
2021-01-05
Every organization I talk to has the same problem dressed up in different clothes....
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Comments posted to this topic are about the item The day-to-day pressures of a...
Hello all, I’m looking for advice on how to derive a daily snapshot table...
We need to replace our Windows server running SQL 2017. Any reason not to...
I have some data in a table that looks like this:
BeerID BeerName brewer beerdescription 1 Becks Interbrew Beck's is a German-style pilsner beer 2 Fat Tire New Belgium Toasty malt, gentle sweetness, flash of fresh hop bitterness. 3 Mac n Jacks Mac & Jack's Brewery This beer erupts with a floral, hoppy taste 4 Alaskan Amber Alaskan Brewing Alaskan Brewing Amber Ale is an "alt" style beer 8 Kirin Kirin Brewing Kirin Ichiban is a Lager-type beerIf I run this, what is returned?
select t1.[key]
from openjson((select t.* FROM Beer AS t for json path)) t1 See possible answers