Getting A Grip On Columnstore

Melissa Coates has a nice introduction to columnstore indexes:

Many of the in-memory features in the Microsoft platform rely on the xVelocity (formerly known as VertiPaq) engine. The implementations do differ somewhat between products, such as the requirements for data to be truly memory-resident.

The remainder of this post will focus on the two columnstore technologies in SQL Server: clustered and nonclustered.

If you’re not very familiar with columnstore and aren’t quite ready to tackle Niko Neugebauer’s columnstore series, this is a good way to get started.

Related Posts

Creating a Columnstore Index

Monica Rathbun shows a scenario where creating a clustered columnstore index can make data retrieval much faster: Using AdventureworksDW2016CTP3 we will work with the FactResellerSalesXL table which has 11.6 million rows in it. The simple query we will use as a demo just selects the ProductKey and returns some aggregations grouping them by the different […]

Read More

Simplifying Columnstore

Monica Rathbun takes us through concepts behind columnstore indexes: Now, I admit when these first were introduced in SQL Server 2012 I found them very intimidating (additionally, you couldn’t update them directly). For me, anytime you say columnstore, my mind tends to set off alarms saying wait stay away, this is too complicated. So, in […]

Read More

Categories

February 2017
MTWTFSS
« Jan Mar »
 12345
6789101112
13141516171819
20212223242526
2728