Hi All,

If execute the following query, I do not get any results:

select * from drug

where drug_name like 'ALLEGRA (12HOUR)%'



while the query

select * from drug

where drug_name = 'ALLEGRA (12HOUR)'

returns a result set.

Similarly, the query

select * from drug

where drug_name like 'ALLEGRA ((12HOUR)%'

returns a result set but with too many rows.



Can someone please explain the rules for the LIKE predicate ?

Cheers

-Mohamed






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