The Power BI desktop designer is a great tool; however, the hardest part of any Business Intelligence project is gathering and formatting the data into reportable datasets. John Miner explains how having a deeper understanding of the M language will help a BI developer in cases where the menus can not.
2015-10-27
2,906 reads
It is the punctuation, the strange dollar signs, brackets and parentheses that bewilder anyone learning PowerShell. Add to that the aliases and you can bewilder everyone. The punctuation is essential, so here is the the complete PowerShell wallchart and guide to Powershell Punctuation. Thanks to Michael Sorens, PowerShell need no longer be perplexing.
2015-10-26
3,688 reads
It is important for developers and DBAs to be able to determine the interdependencies of any database object. Perhaps you need to work out what process is accessing that view you want to alter, or maybe find out whether that table-type you wish to change is being used. What are all these dependencies? How do you work out which are relevant? Phil Factor explains.
2015-10-23
3,238 reads
Oracle offers a results cache in the database (from 11.2 onwards) and in PL/SQL (again, from 11.2 onwards) which can greatly reduce execution time of repeated statements when insert/update/delete activity is not heavy. The mechanism in PL/SQL, however, may not work as expected with global temporary tables. Using a slightly modified example, Jonathan Lewis looks at what you might see when using this option.
2015-10-22
4,120 reads
If you're on SQL Server 2012 or greater, you definitely want to become familiar with all of the extensions to the windowing functions first introduced in SQL Server 2005 – they may give you some pretty serious performance boosts when revisiting code that is still running "the old way." Aaron Bertrand explains.
2015-10-21
4,230 reads
SQLXML isn't exactly new technology, and parts of it aren't pretty, but if you need to heave vast quantities of XML data into a SQL Server database then you may come to appreciate the raw speed of which it's capable. Adam Aspin shows how to configure the SQL XML Bulk Loader tool for optimal data loading performance.
2015-10-20
2,973 reads
This paper provides an overview of the primary changes made to the cardinality estimator functionality by the Microsoft query processor team, covering how to enable and disable the new cardinality estimator behavior, and showing how to troubleshoot plan-quality regressions if and when they occur.
2015-10-19
4,120 reads
SSC's Steve Jones will show you how Redgate's DLM solution works to improve your database development and deployment processes. You'll see how to version control your databases from SSMS to track and understand changes, include your database in your Continuous Integration process to get quick feedback, automate your database deployment process to have safe, reliable, repeatable deployments, and more.
2015-10-19 (first published: 2015-10-15)
4,162 reads
Describes the idle connection resiliency feature, which allows ODBC and SqlClient data access applications to maintain their connections to SQL Server 2014 or an Azure SQL Database.
2015-10-16
2,930 reads
At the time of writing, SQL Server 2016 preview (CTP 2.3) has been released and there are some changes for the Integration Services (SSIS) Catalog logging levels.
2015-10-15
3,310 reads
By Vinay Thakur
I wrote about TempDB Internals and understand that Tempdb plays very important role on...
By Vinay Thakur
continuing from Day 1 where we covered the history of AI and GPT family,...
By Steve Jones
It’s a day off for Redgate today. This is our annual wellbeing day, where...
Comments posted to this topic are about the item A Quick Restore
Comments posted to this topic are about the item Guarding Against SQL Injection at...
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
While doing some testing of an application, I wanted to reset my environment after doing some testing with this code:
USE DNRTest BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO /* Bunch of stuff tested here */RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens if this runs, assuming the "bunch of stuff" isn't anything affecting the instance. See possible answers