SQL Server Row Count for all Tables in a Database
Dattatrey Sindol explains the different ways in which you can get the row counts from all the tables in a SQL Server database.
2017-06-22
5,549 reads
Additional Articles
Statistics in SQL: Simple Linear Regressions
Although linear regressions can get complicated, most jobs involving the plotting of a trendline are easy. Simple Linear Regression is handy for the SQL Programmer in making a prediction of a linear trend and giving a figure for the level probability for the prediction, and what is more, they are easy to do with the aggregation that is built into SQL.
2017-06-22
5,131 reads
Properly Persisted Computed Columns
Paul White walks through a new trace flag in SQL Server 2016 designed to yield better execution plans (and performance) for queries involving computed columns.
2017-06-20
4,841 reads
Statistics in SQL: Kendall’s Tau rank correlation
Statistical calculations in SQL are often perfectly easy to do. SQL was designed to be a natural fit for calculating correlation, regression and variance on large quantities of data. It just isn't always immediately obvious how. In the second of a series of articles, Phil factor shows how calculating a non-parametric correlation via Kendall's Tau or Spearman's Rho can be stress-free.
2017-06-20
3,513 reads
Use T-SQL to Find Folders Using the Most Disk Space
Your SQL Server drives are running out of disk space and you want a way to quickly tell which sub-directories are taking the most space - here's how to do it with T-SQL.
2017-06-16
4,950 reads
Questions About SQL Server Collations You Were Too Shy to Ask
Of course we all like our colleagues to think that we know everything there is to know about SQL Server Collations. However, the truth is that it is a rather complicated topic to fully understand and the cost of getting collation wrong can be great. If only one could ask certain questions on forums or at conferences without blushing. Help is at hand, because Robert Sheldon once again makes the complicated seem simple by answering those questions that you were too shy to ask.
2017-06-15
3,969 reads
Setting Variables in Calling T-SQL Code While Using sp_executesql
In this tip, Greg Larsen shows you how to set variables in your calling T-SQL code when using sp_execute sql.
2017-06-14
4,088 reads
UNION ALL Optimization
Paul White digs into row goals as he explains some interesting and inconsistent behavior with UNION ALL queries in SQL Server.
2017-06-13
5,896 reads
Guide to enhancing privacy and addressing GDPR requirements with the Microsoft SQL platform
A new whitepaper published today gives Microsoft SQL customers technical guidance for how to approach GDPR compliance with Microsoft SQL technologies.
2017-06-12
5,192 reads
Scala and Apache Spark in Tandem as a Next-Generation ETL Framework
Scala and Apache Spark might seem an unlikely medium for implementing an ETL process, but there are reasons for considering it as an alternative. After all, many Big Data solutions are ideally suited to the preparation of data for input into a relational database, and Scala is a well thought-out and expressive language. Krzysztof Stanaszek describes some of the advantages and disadvantages of a scala-based approach to implementing and testing an ETL solution.
2017-06-12
4,658 reads
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Question of the Day
Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
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