Join Joey D'Antoni for an in-depth discussion in this video Nonclustered columnstore: Why?, part of SQL Server Performance for Developers.
- [Instructor] Our next video is going to be…about nonclustered columnstore indexes.…You've heard about all the benefits…of clustered columnstore indexes.…The question is where would you want to use…nonclustered columnstore indexes…and the answers are getting pretty limited.…Microsoft, especially with SQL Server 2016 and 2017,…has kept increasing the benefits…of clustered columnstore indexes.…In the next video, we're going to walk…through a very specific business scenario…where you might want to use a nonclustered columnstore index,…however, in most cases, especially in data warehouses…or analytics workloads, you're going to want…clustered columnstore just for the data compression.…
So let's talk a little bit more about nonclustered indexes.…This was the original implementation in SQL Server 2012.…Remember we couldn't update these in that version.…And you cannot update nonclustered columnstore indexes…in SQL Server 2014.…That ability came into play in SQL Server 2016…which is going to lead to our next value.…
- Query execution
- How to read an execution plan
- What not to do with SQL Server
- Why cursors are bad
- Why scalar UDFs are expensive
- Datatypes and design
- What is a columnstore index?
- Transaction isolation
Skill Level Intermediate
1. Query Execution
2. What Not to Do with SQL Server
3. Datatypes and Design
4. Temporary Objects
7. Isolation Levels
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