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Modifying the lock mode Hide the details
Lock mode performed on the data file before modification.hModeMonoSingle-user mode: the data files are entirely locked in read/write as soon as they are opened. This mode prevents the other applications from accessing the data files already opened by the current application.hModeMultiMulti-user mode: the data files are not locked when they are opened. The other applications can access the data files. The result always corresponds to hModeMulti. Access by JDBC: The result always corresponds to hModeMulti.
Name of data file used.
Lock mode that must be performed on the data file. hModeMono(default value)Single-user mode: the data files are entirely locked in read/write as soon as they are opened. This mode prevents the other applications from accessing the data files already opened by the current application.hModeMultiMulti-user mode: the data files are not locked when they are opened. The other applications can access the data files. The mode used is hModeMulti.
Modifying the lock mode and the lock method (advanced use) Hide the details
Method for implementing the locks:hModeDirect(default value)The implementation of locks has priority (over the modification for example). Therefore, a record on which several read operations are performed will not be modified but the locks are faster.hModeReservationImplementation of non-priority locks (advanced use)This method allows you to immediately modify a record on which several read operations are performed. This method is slower than the hModeDirect method.This constant is useful when an important number of locking read operations are successively performed on the same record. This parameter is ignored.
Lock mode
Changing the mode
Changing the method
Changing the mode and the method
Last update: 09/22/2020
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