SQL is unusual is that data is not passively stored. Instead you use declarative SQL to specify the rules that underlie the data and its integrity. When used properly, constraints can avoid having to provide a lot of logic elsewhere. CHECK() and DEFAULT can do a lot to ensure that your data is correct
2016-01-26
4,314 reads
Are you using Ola Hallengren's Maintenance Solution? Here's a Python script that helps you keep track of your backup file inventory.
2016-01-25
2,500 reads
I/O latch can cause session delays that impact application performance. This white paper describes the procedures and common I/O latch issues when migrating to Hekaton in SQL Server 2014. It also includes challenges that occurred during the migration and the performance analysis at different stages.
2016-01-25
2,632 reads
Excel spreadsheets are useful for distributing data generated by SQL Server. EPPlus is an open source .NET library that reads/writes Excel 2007/2010 files using the Open Office XML format (XLSX). It is a mature project, and plays well with SSIS.
2016-01-22 (first published: 2014-02-11)
19,776 reads
Sergey Gigoyan looks at how to address the warning: Operator used tempdb to spill data during execution with spill level 1.
2016-01-22
3,958 reads
Microsoft's DocumentDB is a late-entrant in the Document-oriented database field. However, it benefits from being designed from the start as a cloud service with a SQL-like language. It is intended for mobile and web applications. Its JSON document-notation is compatible with the integrated JavaScript language that drives its multi-document transaction processing via stored procedures, triggers and UDFs. Robert Sheldon investigates its SQL-like query language.
2016-01-21
3,691 reads
Tim Radney of SQLskills shows how to measure your network so you have more ammo to take to your network team when there is a performance issue.
2016-01-20
3,314 reads
How to monitor drive space in T-SQL and calculate when your drives will run out of space.
2016-01-19
9,971 reads
Arshad Ali explains and demonstrates the impact of enabling the Stretch database feature on backup and restore operations. He also discusses ways to pause, resume, and disable this feature altogether when not needed.
2016-01-19
4,779 reads
Whereas it is easy to provide inline documentation for a normal scripted PowerShell cmdlet or function so as to provide comprehensive help at the command-line or IDE, the same isn't true of binary cmdlets written in C#. At last, there is an open-source utility to assist with this that is being actively maintained and updated. At last, binary cmdlets need no longer be the poor cousins of scripted cmdlets in their documentation
2016-01-18
3,322 reads
By Steve Jones
I don’t have SQL Server installed on my laptop. In an effort to keep...
Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...
By gbargsley
If you've been here before, you know this blog is usually about SQL Server,...
Hi all Can I get some perspective from the community please on performing in-place...
Comments posted to this topic are about the item How Long is a Long...
Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
See possible answers