An explicit lock provides the needed protection. Before the first DATA step, execute a LOCK statement to acquire exclusive access to the file. If exclusive access cannot be obtained, the LOCK ...
one that you set with the LOCK statement or the LOCK command for exclusive access to the data object type. The behavior of the LOCK statement or the LOCK command is restricted by the server engine, ...
A fundamental of file systems since their inception has been their locking mechanisms. These exist so that different users and applications working on the same file (or region of a file) ...
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