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Basic InformationThis program can provide simultaneous work of several persons with one database, based on the client-server technology. It means, that the main user (further referred to as Server) should open the local database as a file using standard File->Open... operation and to make it accessible for other users connection (further referred to as Clients): File->Allow Network Connections.... To work with the remote database clients should select the File->Open Networked Database... menu item. To differentiate access rights between different persons, use the Access Levels setting in Folder Properties. Network RestrictionsWhile working with the program in the network mode, the client and the server can perform the following operations:
The following software opportunities are blocked in the network mode:
Server ModeIn order to work with the database in the server mode you should:
Client ModeIn order to connect to the database opened in the server mode you should:
Records editing in the Client/Server modeIn the right top corner of the record editing window there is an indicator displaying the status of the selected record:
Note 1: The record editing is started when you begin modifying any of its fields. Note 2: Records being edited are not accessible for moving. Network usersWhen you work with the database over a network, you can use the system variable [$User Name] in database scripts. This variable stores the name of the user who performed the action with the database. For example, if we want to log the changes of database records, we can apply the Apply Text Formula to a field action for the on change event of a text field. The parameters will be the following:
In this case, when the text box is modified, the following information will be entered in the log field:
In this example John, Tom and Mary are names of users who modified this record. For details, see the scripts and text formulas sections. Network StatusTo show the window with the current network status, use the File->Show Network Status... menu item. The window that appears is not modal, i.e. doesn't interfere with the further program work. The Network Log tab contains the list of the last messages received by the program from other network users and will help you to determine the reason of failure in case of its occurrence. The Clients List tab (only for the Server) contains the list of the connected clients and the necessary information about them: Name, Connection Time, Time of the latest message from the client, Number of messages from the client, Client's ID. |
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