This improvement adds a new Protection Key feature in Microsoft SQL Server 2019 on Linux. The following are some of the new features that are provided:

  • Protect Process Memory inside SQLPAL instance from overlapping memory operations that occur because of issues within SQLPAL (stray pointers, SQLPAL malfunctions, and so on)

  • Protect Data on persistent memory from being corrupted by memory scribblers (stray pointers, SQL/SQLPAL malfunctions, and so on)


This improvement is included in the following cumulative update for SQL Server:

Note To enable this, add the following to mssql-config:


memory_optimized = true

About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:


Learn about the terminology that Microsoft uses to describe software updates.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!