Alex Kuznetsov, in an article taken from his book 'Defensive Database Programming with SQL Server', shows how DRY principles can be put in practice with constraints, stored procedures, triggers, UDFs and indexes.
2015-06-10
6,344 reads
Aaron Bertrand has some advice on how to protect yourself from SQL Injection, looking at some specific common scenarios.
2015-06-09
4,756 reads
One of the times that you need things to go right is when you are doing analysis and reporting. This is generally based on time and date. A sure-fire way of getting managers upset is to get the figures horribly wrong by messing up the way that you handle datetime values in SQL Server. In the interests of peace, harmony and a long career in BI, Robert Sheldon outlines some of the worst mistakes you can make when using SQL Server dates.
2015-06-08
7,158 reads
Microsoft released the preview version of Azure SQL Database V12 in December of 2014. As a database administrator, you might wonder about the schema and security of these new data marts. Microsoft has supplied system stored procedures for the database developer to query the Linked Servers for this type of meta data, as John Miner explains.
2015-06-05
2,288 reads
In this article, James Munro demonstrates an example of a simple query without an index and then that same query again with the index. A simple introduction to database indexing.
2015-06-04
7,210 reads
In this tip Koen Verbeeck discusses query folding, how you can take advantage from it and how to make sure query folding takes place.
2015-06-03
3,661 reads
Criminal activity is a growing menace on the internet: This inevitably means more diligence is required by legitimate users in the face of an increasingly sophisticated criminal threat. Robert Sheldon describes some of the emerging threats and risks.
2015-06-02
4,544 reads
Often while reporting you will encounter a situation where you will have comma separated values in a single column but you want to report them in rows. In other cases you might have values in multiple rows and want them to be a single value separated by comma or some other character. Arshad Ali demonstrates how to write queries in SQL Server to handle these scenarios quickly.
2015-06-01
5,990 reads
There are some pitfalls in PowerShell for the unwary. Many people who are learning PowerShell come across quirks that can cause frustration. Michael Sorens continues his series, warning abut four of the most common PowerShell pitfalls and explains how to avoid them.
2015-05-29
7,299 reads
This tip describes some T-SQL techniques for converting a mmddyyyy string to a SQL Server date, handling rows with missing date strings, and comparing converted date strings.
2015-05-28
7,705 reads
By Brian Kelley
During COVID, I attended training on software/enterprise architecture given by Mark Richards. One of...
For me, the objective is straightforward: have a backup strategy that is reliable, understandable,...
By DesertDBA
Note: This post is the invitation for T-SQL Tuesday #204 on November 3rd, 2026....
Comments posted to this topic are about the item The ##MS_DatabaseConnector## User
Comments posted to this topic are about the item Planning for Change
Comments posted to this topic are about the item Importing Excel files into SQL...
On SQL Server 2025, I run this code as a sysadmin:
CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567' GO ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo GOI then login as Demo and run this:
USE sandbox go SELECT CURRENT_USERWhat is returned? See possible answers