Visual FoxPro doesn't place a lock on a file when executing commands that require read-only access to a table. These commands include the following:

While they are executed, these commands don't change the contents of a table, and access to the table is available to other users on the network. Thus, the table can be changed while you are executing one of these commands. For example, you might begin printing a report by using REPORT before another user changes a record included in the report. Your report now contains outdated information.

SET LOCK is scoped to the current data session.

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