Join Elimination: When SQL Server Removes Unnecessary Tables
In this post and video at SQLPerformance.com, I discuss what join elimination is and how it works in SQL Server. Join elimination is one of the many techniques that...
2018-06-19
24 reads
In this post and video at SQLPerformance.com, I discuss what join elimination is and how it works in SQL Server. Join elimination is one of the many techniques that...
2018-06-19
24 reads
Forget about Adaptive Query Processing for a minute, what other feature have I been waiting for? SELECT INTO a specific...
2018-06-19
590 reads
Last week PASS sent out an email saying that on June 15 all the tweets from @sqlsat would be changed...
2018-06-18
358 reads
The Analytics Platform System (APS), which is a renaming of the Parallel Data Warehouse (PDW), has just released an appliance update (AU7), which is...
2018-06-18
614 reads
The Analytics Platform System (APS), which is a renaming of the Parallel Data Warehouse (PDW), has just released an appliance update (AU7), which is...
2018-06-18
651 reads
While SQL Server Management Studio (SSMS) provides a robust graphical user interface (GUI), the commands you’re going to use the...
2018-06-18
977 reads
Notes:
Due to travel delays I missed the speaker dinner. I missed the chance to catch up and meet new people,...
2018-06-18
320 reads
I’ve been having a little play around with AWS recently and was looking at S3 (AWS’ cloud storage) when I...
2018-06-18
999 reads
"In recent time, some of our counterpart organizations have faced database corruption. Though our company takes backup every week, we have decided to become more careful. I would like...
2018-06-18
24 reads
"In recent time, some of our counterpart organizations have faced database corruption. Though our company takes backup every week, we...
2018-06-18
2,900 reads
Continuing with my takeaways from SQLCon and FabCon Europe in Barcelona, let’s talk about...
By Steve Jones
Next year the PASS Data Community Summit is in DENVER! and London, but Denver...
By Steve Jones
Yesterday was the first day of sessions at the PASS Data Community Summit (after...
Comments posted to this topic are about the item Pay for Performance, which is...
Comments posted to this topic are about the item Switching Schemas I
Comments posted to this topic are about the item Enforcing Unique Customer Emails When...
I run this query:
SELECT s.name AS schemaname , o.name AS objectname FROM sys.objects o INNER JOIN sys.schemas s ON s.schema_id = o.schema_id WHERE o.name = 'Beer'I get one row back for an object named dbo.beer. There is an ETL schema and both of these are nonpartitioned tables. I run this code:
ALTER TABLE dbo.beer switch TO etl.beerWhat happens? See possible answers