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)
19,791 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
10,061 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
PARSENAME is perhaps the most infrequently used built-in documented function in SQL Server. SQL Server Microsoft Certified Master Wayne Sheffield shows why this nifty function ought to be included in your SQL toolbox.
2016-01-15 (first published: 2014-03-17)
23,410 reads
Where you have multiple services, applications and databases in your environment, and perhaps with high levels of scrutiny and governance, you'll probably want a Release Management system for deploying database and application code together: You can, alternatively, use a separate Release Management component. But for simpler applications, you can use your existing build system such as TeamCity to deploy changes. Using a database deployment example, Richard Macaskill shows how.
2016-01-15
3,536 reads
Most embedding pipelines on AWS have the same shape: a job reads rows out...
By Arun Sirpal
Transaction log issues are one of the quietest ways a healthy database turns into...
By Steve Jones
I wrote earlier this week about the SQL MCP Server using the Data API...
Comments posted to this topic are about the item Symmetric Key Encryption
Comments posted to this topic are about the item The “Successful Login” Dilemma: Why...
Comments posted to this topic are about the item Building Your Own Software
If I run this statement in SQL Server 2025, how is the password encrypted?
CREATE SYMMETRIC KEY MySymmetricKey WITH ALGORITHM = AES_256, KEY_SOURCE = 'My secret key source passphrase', IDENTITY_VALUE = 'My secret identity value' ENCRYPTION BY PASSWORD = 'S&perS#cretP@ssword7'; GOSee possible answers