4 SQL SharePoint Related Sites

The following are 4 key SQL SharePoint sites:

Best Practices for SQL Server in a SharePoint Server Farm:

https://docs.microsoft.com/en-us/sharepoint/administration/best-practices-for-sql-server-in-a-sharepoint-server-farm

SQL Server and Storage - SharePoint Server: 

https://docs.microsoft.com/en-us/sharepoint/administration/sql-server-and-storage

Configure SQL Server Security for SharePoint Server:

https://docs.microsoft.com/en-us/sharepoint/security-for-sharepoint-server/configure-sql-server-security-for-sharepoint-environments

Software Requirements for Database Servers for SharePoint Server:

https://docs.microsoft.com/en-us/sharepoint/install/software-requirements-for-database-servers-for-sharepoint-server-subscription-edition