question: protected void writeExternalForeignKeyDropStmt ( Table table , ForeignKey foreignKey , StringBuilder ddl ) { writeTableAlterStmt ( table , ddl ) ; ddl . append ( "DROP CONSTRAINT " ) ; printIdentifier ( getForeignKeyName ( table , foreignKey ) , ddl ) ; printEndOfStatement ( ddl ) ; }
target:  Generates the statement to drop a foreignkey constraint from the database using an alter table statement.