Tutorials
Various tutorials from beginner to expert.
TUTORIAL 10 · STEP 1 OF 19
Q-pointers and record locks
Advanced30 min
Reference files across accounts and protect records during updates
Q-pointers give remote files a local name
A Q-pointer is a VOC item that names another account and a file in that account. Programs and TCL commands open the local pointer name, while MVDB resolves reads, queries, dictionaries and updates against the real target. It is an alias, not a copy: both names reach the same persisted records.