What is a trusted constraint in SQL Server? Many experts do not know, so instead of a definition I explain it with a simple check constraint example.
SQL SERVER – Error 0x800f081e or ErrorCode: – 2146498530 While Installing SQL Server Management Studio (SSMS)
Installing SSMS 18.0 Preview on my lab server failed with error 0x800f081e while installing .Net Framework 4.7.2. Here is what the log showed and what it means.
SQL SERVER – Fix: 400 – Bad Request Authentication Failed for Account and the Provided Key. Please Provide a Valid Key and Try Again
Connecting SSMS to Azure storage failed with 400 Bad Request: authentication failed for account and the provided key. Here is the cause and the fix.
SQL SERVER – Always On Availability Group Listener Missing in SSMS but Working Fine in Failover Cluster Manager
My client’s AG listener worked fine in Failover Cluster Manager, yet SSMS showed nothing. Here is what causes a listener missing in SSMS and the fix.
Columnstore Bulk Load: Why Batch Size Decides Where Rows Land
Review columnstore bulk load batch sizes, inspect delta and compressed rowgroups, and measure the cost of forcing small groups to compress.
SQL SERVER – FCB::Open Failed – TEMPDB Files Fail to be Created with Error: “CREATE FILE Encountered Operating System Error 3”
SQL Server would not start: FCB::Open failed because TempDB files could not be created, with operating system error 3. Here is how I fixed it.
Does NOLOCK Really Applies No Lock? – Interview Question of the Week #209
Does NOLOCK really applies no lock? No. NOLOCK takes a Sch-S, or schema stability, lock. Here is a simple script to see it for yourself.