A client clicked Start Mirroring and got Mirroring Error 1412: the remote copy has not been rolled forward far enough. Here is what it means and how to fix it.
SQL SERVER – The Need for Data Tier Elasticity in Cloud Computing
Workloads rise and fall, yet on-premises capacity is sized for the worst day. Here is why data tier elasticity in cloud computing matters.
Interview Question of the Week #062 – How to Find Table Without Clustered Index (Heap)?
Not every table has a clustered index. Here is a quick script to find each table without a clustered index, also called a Heap, in your database.
SQL SERVER – Installation Error – File Format is Not Valid
At the license agreement step, SQL Server setup stopped with ‘File format is not valid’. Here is what caused this Installation Error for my client and the fix.
Comparison – Understanding Tables Between Oracle and SQL Server
Oracle and SQL Server table names can hide important differences. Compare storage, temporary-row visibility, external data and memory-focused features.
SQL SERVER – The NOLOCK Question – Notes from the Field #117
Stuart Ainsworth discusses NOLOCK, dirty reads and safer alternatives. A two-session example shows why uncommitted results can be misleading.
Generating Test Data That Behaves Like the Real Thing
Make test data generation reflect skew, row width, missing values, and key relationships so your SQL Server experiments expose realistic plan risks.