Operations on Records (cont)
Other operations on records (via their RID) ...
update_record(rid,rec)
- modifies a record "in place" (replaced by new rec)
rid = insert_record(pid,rec)
- insert record into specified page, returning RID of new record
delete_record(rid)
- remove record (mark as deleted)
All of the above, first require a page fetch (via buffer pool)
|