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
He admits it wasn't his idea but his head sure wishes it was. SQL Server MVP Jeff Moden explains a wonderful, super simple, very high performance formula that will calculate ISO Week Numbers. If you're "stuck" with SQL Server 2005 or less, you're going to like this a whole lot!
2015-10-23 (first published: 2013-04-08)
38,084 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
A quick tip to help you set your object names to your preferred case in T-SQL code.
2015-10-21 (first published: 2012-05-01)
2,248 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
2015-10-20
4,010 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
By gbargsley
Have you ever received the dreaded error from SQL Server that the TempDB log...
By Chris Yates
Artificial intelligence is no longer a distant concept. It is here, embedded in the...
Every Scooby-Doo mystery starts with a haunted house, a strange villain, and a trail...
Statistics Collection Interval: Defines the level of granularity for the collected runtime statistic, expressed...
I am using Microsoft SQL Server 2022 (RTM-CU17) (KB5048038) - 16.0.4175.1 (X64) Microsoft Corporation...
i have sqlexpress on rds, is there any way i can get notifacation that...
A table without a clustered index (heap) will NOT suffer from fragmentation during frequent updates or deletes. True or False?
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