Collations on indexes in SQL Server

Question

I am interested if there is a possibility to specify collation for a column when creating index that is different from the collation of that column? And when indexed, are st

Answer 1

I don't believe you can. Although COLLATE is documented separately, you'll note that there are only 3 places listed where it can occur:

• Creating or altering a database
• Creating or altering a table column
• Casting the collation of an expression

Note that, for instance, in CREATE TABLE:

 ::=
column_name 
    [ FILESTREAM ]
    [ COLLATE collation_name ] 
    ...

that the COLLATE clause is explicitly mentioned.

Whereas, in CREATE INDEX:

CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name 
    ON