What's "Actually" going on with that Seek?
Rob Farley digs deeper into seeks and actual rows read, demonstrating a case where you want a non-sargable expression in the WHERE clause.
2016-07-07
3,150 reads
Rob Farley digs deeper into seeks and actual rows read, demonstrating a case where you want a non-sargable expression in the WHERE clause.
2016-07-07
3,150 reads
2016-07-06
135 reads
One of the challenges associated with running your workloads in Azure SQL Database is the limited level of management oversight. Fortunately, there is an alternative approach that leverages the functionality incorporated into the recently introduced Azure SQL Database Advisor - Marcin Policht provides a brief overview.
2016-07-06
3,869 reads
In this demo, we will give an introduction from 0 about Power BI and how to connect to Azure SQL Databases and Google Analytics
2016-07-05
1,370 reads
DBAs can be more effective in managing their workload by centralizing their procedures. There are several features of SQL server that can be harnessed to this end: PowerShell is only part of the solution: there is also Central Management Server, Master /Target Agent and the Remote Server Administration Tools. It's time to work out your objectives and pick the most suitable technologies to meet them.
2016-07-05
3,753 reads
Uniqueness of values in specific columns can be enforced in a SQL Server table by creating a unique constraint or a unique index on those columns. In this article, Sergey Gigoyan looks at what the differences between the two are, and how SQL Server handles them both.
2016-07-04
4,824 reads
Learn how to use SSIS to load Delimited Flat Files to staging tables.
2016-07-01 (first published: 2015-04-20)
12,828 reads
A number of new SQL Server PowerShell cmdlets have been released and the Microsoft is asking for feedback on what else you'd like to see.
2016-07-01
1,216 reads
David Fitzjarrell takes a look at why the mutating table error is thrown, why it's not going to create data problems, and how to possibly fix it.
2016-07-01
3,541 reads
This article demonstrates how to generate and save an SSRS report to a network folder when an SSIS package is executed.
2016-06-30
4,888 reads
By Steve Jones
Redgate is a for-profit company. We look to make money by building and selling...
I’ve uploaded the slides for my Techorama session Microsoft Fabric for Dummies and my...
If you've ever loaded a 2 GB CSV into pandas just to run a...
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We create the following table and then insert some records in it:
create table t1 ( id int primary key, category char(1) not null, product varchar(50) ); insert into t1 values (1, 'A', 'Product 1'), (2, 'A', 'Product 2'), (3, 'A', 'Product 3'), (4, 'B', 'Product 4'), (5, 'B', 'Product 5');What happens if we execute the following query in both Sql Server and PostgreSQL?
select id,
category,
string_agg(product, ';')
over (partition by category order by id
rows between unbounded preceding and unbounded following) as stragg
from t1; See possible answers