Cybersecurity threats
Not a week goes by without news of a new cyberattack. In this article, Robert Sheldon explains the cybersecurity threats in today’s world.
Connecting to Amazon DocumentDB with MongoDB Drivers
With Amazon DocumentDB developers and DBAs can balance availability, read scalability, and latency with five pre-configured consistency levels. The data in an Amazon DocumentDB cluster is accessible just like a MongoDB 3.6 cluster. The CData Software Drivers for MongoDB provide a SQL-like interface to MongoDB data through standards-based drivers. This allows users to see their data in the […]
Security Bug or Handy Feature
We often misconfigure public access for data, which might contain sensitive information. Steve notes that we could do better, but it requires the effort to classify data.
5 things to look for in a monitoring tool
A key finding from Redgate’s recent State of Database Monitoring Survey of over 2,500 IT professionals was that 79% of respondents reported using either a third-party or in-house monitoring tool. It’s notable because it’s an increase of 10 percentage points from the same survey last year. But when should you use an in-house tool, and when should you take the plunge and invest in a third-party monitoring tool like SQL Monitor?
How to successfully deploy databases with external references
Database objects often have references to external databases which makes continuous integration problematic. In this article Liz Baron and Sebastian Meine demonstrate a solution.
Design your systems and processes for auditability
I have worked in more than one regulated industry, and since the banking crisis of 2008, I have witnessed a sea change in the approach to regulation. The UK Financial Services Authority (FSA) was seen to be a toothless tiger. The UK government replaced the FSA with two separate bodies, each with its own more […]
Dealing with Failed SQL Migrations in MariaDB or MySQL
Although it is easy to get started with Flyway, there are times when real-life can trip you up. Discover the fastest ways to restore the previous version of the database, to recover from a failed Flyway migration that leaves the database in an indeterminate state, and then how to adapt your database development process to avoid these problems.
SQL String functions in SQL Server, Oracle and PostgreSQL
In this article we look at how to use string functions to concatenate, replace, trim and get substrings in SQL Server, Oracle and PostgreSQL.
Maybe It Is DNS
It might be DNS is the problem more often in the future. Steve notes the attacks on this system are rising.
Blogs
KDA: Echoes of Deception - Case 6
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
Forums
BIT_COUNT II
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I Can't Make You Learn
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Why Your SQL Permissions Disappeared
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Question of the Day
BIT_COUNT II
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers