Query a price history table for the price effective on each order date, enforce unique starts, and compare APPLY lookups with range joins.
SQL SERVER – FIX: Database Diagram Error 15517 – Cannot Execute as the Database Principal Because the Principal ‘dbo’ Does Not Exist
Opening a database diagram failed with error 15517: Cannot execute as the database principal because the principal ‘dbo’ does not exist. Let me show you the fix.
What is Clean Buffer in DBCC DROPCLEANBUFFERS? – Interview Question of the Week #215
What is a clean buffer in DBCC DROPCLEANBUFFERS? No one had asked me this in 20 years, so here is the answer in the simplest words I could find.
SQL SERVER – FIX: The specified instance of SQL Server is hosted by a system that is not a Windows Server Failover Cluster(WSFC) Node.
After a cluster rebuild, adding a replica failed: The specified instance is hosted by a system that is not a Windows Server Failover Cluster node. Here is the fix.
SQL SERVER – SQL Server Configuration Manager Missing from Start Menu
SQL Server Configuration Manager missing from the Start Menu? Open it directly from C:\Windows\System32 with the SQLServerManager msc file for your version.
SQL SERVER – SQL Service Not Getting Started Automatically After Server Reboot While Using gMSA Account
My first gMSA test: SQL Service was not started automatically after server reboot, even with automatic startup set. Here is what the event log showed.
SQL SERVER – Error: 18456, State 149 – Login-based Server Access Validation Failed With an Infrastructure Error. Login Lacks Connect Endpoint Permission
Connecting to the DAC with SQLCMD, I got Error 18456, State 149: Login lacks connect endpoint permission. Here is what the ERRORLOG showed and how to fix it.