Join Joey D'Antoni for an in-depth discussion in this video In-memory temp tables, part of SQL Server Performance for Developers.
- Our final topic in temporary objects…is in-memory temporary tables.…This is a technique made possible…by a combination of features in SQL Server 2016,…namely row level security and in-memory OLTP.…It wasn't possible prior to that…to be able to restrict access…to an object based on its current session ID…the way temporary tables do.…This technique you probably haven't seen before,…it's not very common in the wild.…I have implemented it on a couple of projects,…and as you'll see in the demo,…it can give you greatly increased throughput…to your temporary objects.…
One other note,…these "temporary tables" aren't stored in tempdb,…they're stored in your database,…and we'll talk a little bit more…about the implications of that…as we go through this deck and demo.…Hekaton, which was the codename of in-memory OLTP.…This is a technology that's designed…mainly for high throughput write systems.…A lot of people associate in-memory…with being able to read from disk really fast,…but most of the data you're reading…in a database management system…
- 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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