What do Clustered and Non clustered index actually mean?

Question

I have a limited exposure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes. I goo

Answer 1

Clustered Index

A clustered index determine the physical order of DATA in a table.For this reason a table have only 1 clustered index.

• "dictionary" No need of any other Index, its already Index according to words

Nonclustered Index

A non clustered index is analogous to an index in a Book.The data is stored in one place. The index is storing in another place and the index have pointers to the storage location of the data.For this reason a table have more than 1 Nonclustered index.

• "Chemistry book" at staring there is a separate index to point Chapter location and At the "END" there is another Index pointing the common WORDS location