Questions tagged [sql-server-2019]

SQL Server 2019 (major build version 15.00.xxxx). Please also tag sql-server.

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votes
1answer
3k views

How do you enable SQL Server 2019's result set caching?

SQL Server 2019 CTP 2.3 added a few new columns to sys.databases, including is_result_set_caching_on: It's not documented yet in the What's New in SQL Server 2019, nor in the ALTER DATABASE page. I ...
15
votes
0answers
237 views

Implementation and contraindications for OPTIMIZE_FOR_SEQUENTIAL_KEY

SQL Server 2019 CTP3.1 introduced an optimization to address last-page insert contention. This takes the form of an index option called OPTIMIZE_FOR_SEQUENTIAL_KEY. One imagines this could be an ...
9
votes
2answers
1k views

When `nvarchar/nchar` is going to be used with SQL Server 2019?

With SQL Server 2019 Microsoft introduces UTF-8 support for CHAR and VARCHAR data types and says: This feature may provide significant storage savings, depending on the character set in use. For ...
8
votes
1answer
78 views

initdata: No memory for kernel buffers

I recently upgraded my SQL Server 2017 Developer Edition on RedHat Enterprise Linux 7.6 to SQL Server 2019 CTP 3.0. The mssql-server service will no longer start. /var/opt/mssql/log/errorlog shows ...
6
votes
1answer
296 views

Execution plan doesn't show memory grant

I installed SQL Server 2019 on a VM on Azure (DS11). I am trying to illustrate adaptive query processing using this post here. The issue is that when I hit CTRL+L in SQL Server Management Studio to ...
4
votes
3answers
91 views

“tempdb metadata memory-optimized” configuration option

Checking SQL Server 2019 CTP 2.5 (15.0.1500.28) I found this new configuration option and was wandering what is behind it. Couldn't find any information so far and was wondering if you know where to ...
2
votes
1answer
307 views

SQL Server 2019 CTP 2.1 on Ubuntu fails after powering off

I've installed Microsoft SQL Server 2019 (CTP2.1) - 15.0.1100.94 (X64) on my VirtualBox Ubuntu 16.04.5 LTS. Everything seemed to work properly until I've powered off the machine. Since then SQL Server ...
2
votes
1answer
65 views

SQL Server Demo Environment on Docker Desktop (Win 10): DB storage und upgrade paths

I would like to run SQL Server 2019 on my work as well as my private machine (both running Windows 10 Pro). Thus I thought Docker Desktop would be a nice option. However I would like to keep the ...
0
votes
1answer
42 views

Can an AlwaysOn Availability Group be used to mitigate downtime when there's replication syncing issues on the primary server?

Once in a while I'll run into syncing issues with my subscriber server in a transactional replication setup. Taking a new snapshot of the publisher causes significant downtime on my subscriber server. ...
0
votes
0answers
245 views

Microsoft SSMS 2018 cannot open (only the splash screen)

yes, i've read this SQL Server Management Studio 18 won't open (only splash screen pops up) , it work the first time. after i restart my computer, and try to open smss again, the problem happen ...
0
votes
0answers
36 views

SQL Server 2019 Developer Edition on Ubuntu 18.05 Linux seems to only use one processor

I set up this db on an old server that has Ubuntu 18.04 in order to test some new features of SQL Server 2019. First time running SQL Server on Linux. I am running an intense query and happened to ...