DELETE-RECORDS — Delete records from a database table.
Function
from
              A string, symbol or symbolic SQL expression representing
              the name of a table existing in
              database.
            
whereA symbolic SQL expression.
databaseA database object. This will default to the value of *default-database*.
Deletes records satisfying the SQL expression
      where from the table specified by
      from in database
      specifies a database which defaults to
      *default-database*.
      
(select [first-name] [last-name] [email] 
        :from [employee]
        :where [= [emplid] 11] 
        :field-names nil)
=> (("Yuri" "Gagarin" "gagarin@soviet.org"))
(delete-records :from [employee] :where [= [emplid] 11])
=> 
(select [first-name] [last-name] [email] 
        :from [employee]
        :where [= [emplid] 11] 
        :field-names nil)
=> NIL