Small. Fast. Reliable.
Choose any three.
*** 222,226 ****
  *: retrieve the constraint's text
  *: determine which columns participate in the constraint
  *: disable and enable the constraint
  
! possibly via a new PRAGMA.
--- 222,232 ----
  *: retrieve the constraint's text
  *: determine which columns participate in the constraint
  *: disable and enable the constraint
+ *: remove, add, and update the constraint
  
! possibly via a new PRAGMA.  This allows programs to more completely
! 
! *: discover the current state of the schema
! *: evolve the schema (e.g., update out-of-date parts of it)
! 
! ====