No, you cannot know who locked what records unless your application keeps track of such locks.

>I have several computers using my system and all of them LOCK and UNLOCK the tables to record data.
>
>sometimes one of them LOCK and don´t UNLOCK or the user don´t close the form, and the table don´t UNLOCK.
>
>The system wait for 5 seconds to REPROCESS.
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>Can I know who is LOCKING the table, where (what computer or user) is my table LOCKED ?
>