sqldf in R Example for SQL Server
R has a package called sqldf that allows developers to manipulate data inside a dataframe in the same way a SQL developer queries a SQL table which we will cover with examples in this article.
2021-03-01
SQL Server
Partitioned Tables Cause Longer Plan Compilation Times
Folks sometimes ask, “When a table has more indexes, and SQL Server has more decisions to make, does that slow down execution plan generation?”. Brent Ozar talks through his response in this article.
2021-02-26
Learning SQL Server
Learn about the core SQL Server concepts to build your skill set including the architecture, database design, development, administration and more.
2021-02-24
DBA in training: SQL Server under the hood
In this article of the series, Pamela Mooney explains the architecture of SQL Server under the hood, including some query anti-patterns to avoid.
2021-02-23
Securing SQL Server with DoD guidelines
Making sure your SQL Servers are secured against malicious users is difficult. The United States Defense Information Systems Agency (DISA) publishes a set of guidelines for organizations securing different pieces of software that connect to the US Department of Defense’s networks (DoD). Whether you’re working with the DoD or not, these Security Technical Implementation Guides (STIGs) are a good resource to help you understand potential security vulnerabilities and mitigate them.
2021-02-22
Mastering TempDB: The basics
Mastering TempDB is a critical skills for SQL Server DBAs. In this article, Monica Rathbun explains the basics of TempDB including configuration.
2021-02-19
SQL Server triggers: The good and the scary
SQL Server triggers are another tool in your DBA or Dev toolbox. Edward Pollack explains what can go wrong with triggers and how to correct those issues.
2021-02-18
SQL Server SET STATISTICS IO ON Deep Dive
In this article we look at how to interpret and use the results of STATISTICS IO when tuning SQL Server queries.
2021-02-17
Execute Dynamic SQL commands in SQL Server
In some applications having hard coded SQL statements is not appealing, because of the dynamic nature of the queries being issued against the database server. This is where dynamically building SQL statements can be useful.
2021-02-15
Connect to SQL Server
In this article we look at the different ways to connect to various SQL Server services using tools like SSMS, BCP, SQLCMD, PowerShell and more.
2021-02-12
Blogs
The #MS_DatabaseConnector## Role: #SQLNewBlogger
By Steve Jones
I had seen these roles in various instances, but never dug into the new...
Asking for Help Isn’t a Weakness
By Brian Kelley
During COVID, I attended training on software/enterprise architecture given by Mark Richards. One of...
The Proof of the Backup Is in the Pudding
For me, the objective is straightforward: have a backup strategy that is reliable, understandable,...
Forums
Pay for Performance
Comments posted to this topic are about the item Pay for Performance, which is...
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Question of the Day
The ##MS_DatabaseConnector## User
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