I have found that when a table has both clustered and non-clustered indexes (on different columns), the leaf level non-clustered pages, instead of pointing to the data row, point to the node of the ...
I am trying to determine why the query optimizer in SQL Server is recommending creating a new index instead of using an existing index that appears to be sufficient for the query. First the table. ...
Why is the SQL Server query plan not using indexes in a query almost similar to one that uses indexes?
I have two UPDATE queries that are similar in structure, yet the SQL Server query plan for one shows indexes being used, and for the other it shows only a regular table scan. The following are the ...