Tutorials

Various tutorials on RightMV from beginner to expert.

TUTORIAL 08 · STEP 1 OF 17

Q-pointers and record locks

Reference files across accounts and protect records during updates

01

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.