There is no problem using placeholders as arguments in the "WHERE" part of your SQL.
in reply to Re^4: DBI variable argument count
in thread DBI variable argument count
A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James
My blog: Imperial Deltronics