How many clustered indexes can a SQL Server table have?
A table can contain only one clustered Index.
Do I need to have a clustered index on every table?
SQL Server doesn’t need to have a clustered index on every table. In absence of a clustered index, SQL Server uses a heap as table store.
How many indexes on a SQL Server table can be queried as fast as a clustered index?
You are not limited to one index. Any index can be as fast as a clustered index. Adding INCLUDE columns to a non-clustered index doesn’t affect anything else than this particular index. There is no penalty that hurts all other indexes!
How many indexes can support an index-only scan?
The simple answer is: as many as you like.
Why and where do we need full text index?
What is the difference between noise words and stop words?
when should be we noise words vs stop words?
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