Question: How to Alter Index to Add New Columns in SQL Server?
Answer: It is not possible to Alter Index definition to add or remove columns.
Stress Testing with oStress – SQL in Sixty Seconds #087
One of the things which we cover in my Comprehensive Database Performance Health Check is how to do Load Testing or Stress Testing with oStress.
SSMS ROWCOUNT Setting: Why Your Query Stops at 100 Rows
The SSMS ROWCOUNT setting limits every query in a window to a fixed number of rows, and it can change the plan as well. This post shows the effect on rows, reads and plan with a tested demo, how to check your own session and why UPDATE statements stop at the limit too.
Forcing a Plan in Query Store and Checking That It Held
Use forcing a plan in Query Store with verified IDs, then audit force failures and runtime results every week so the fix stays useful.
Rebuild All Indexes on a Table in SQL Server: SSMS and T-SQL
To rebuild all indexes on a table, right-click the Indexes folder in SSMS and choose Rebuild All, or run ALTER INDEX ALL with REBUILD. This post checks fragmentation first, rebuilds a demo table and shows what the command does to a disabled index. It also compares REBUILD with REORGANIZE and the options that matter.
How to Check Database Performance Facets in SQL Server? – Interview Question of the Week #270
Question: How to Check Database Performance Facets in SQL Server?
It is very simple to find out the facets of SQL Server Just follow the diagrams listed.
Stale Statistics: Detecting and Updating Them
Detect stale statistics with update properties, review modification thresholds, and schedule targeted refreshes with recorded outcomes.