sql server - How to concatenate row values for use in WHERE clause of T-SQL query -

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i want write query in t-sql perform search on 2 concatenated columns. 2 columns fname , lname. here have far:

select     fname,     lname,     ...     users join     othertable on foo=bar     fname+' '+lname '%query%'

sql server doesn't syntax, though. how structure query can perform operation searches through 2 concatenated columns, allowing me search user's full name, rather first name , last name individually?

i can suggest 1 of fname or lname null fails., (null concat null)

try 

... isnull(fname, '') + ' ' + isnull(lname, '') '%query%'

however, use computed column , consider indexing because run awfully.


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