Question : A single non clustered is set up on LastName, FirstName, MiddleName – in that order. SELECT * FROM […]
Tag: nonclustered-index
Will a nonclustered index with a unique column always address all queries filtering that column first?
Question : I have found large heap tables that are over-indexed and for example have multiple different nonclustered indexes with […]
Are nonclustered indexes used when joining tables?
Question : I know that joins of type Sort-Merge don’t use nonclustered indexes, because they work by sorting both tables […]
When to create Indexes?
Question : I have a stored procedure that takes around 2 minutes to execute. The execution plan suggested me to […]
Query optimizer recommends adding index instead of using existing index
Question : I am trying to determine why the query optimizer in SQL Server is recommending creating a new index […]
Should I rebuild index in non clustered index?
Question : I’ll be rebuilding our index in SQL Server since our fragmentation rate on all indexes for all tables […]
Why does my execution plan show a Clustered Index Scan is occurring when using an index hint that specifically uses a Nonclustered Index?
Question : The Backstory: I have a table with the following structure: CREATE TABLE WideTable1 ( BoringColumn1, BoringColumn2, CellPhoneNumberColumn Phone(VARCHAR(20)), […]
Is Non-Clustered index with all others columns included equivalent to a Clustered Index
Question : Is a nonclustered index on a column with all other columns included almost like a clustered index on […]
NonClustered Index not being Used
Question : I have a table (created below) that contains 321 rows. I expect the last query below to use […]
Nonclustered index column order
Question : I have a nonclustered index (called NCIDX1) on col1, col2 of a table. I included col3, col4, col5, […]