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- PRODUCT : Paradox NUMBER : 598
- VERSION : 1.0
- OS : DOS
- DATE : August 26, 1991 PAGE : 1/1
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- TITLE : CONNECTING TO VAX/VMS RDB V4.0
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- The access methods for VAX Rdb/VMS V4.0 have been modified to
- increase the performance of VAX SQL/Services. These methods are
- provided in three modes: 1. Explicit, 2. Proxy and, 3. Default.
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- When a VAX Rdb/VMS V4.0 client accesses a VAX Rdb/VMS V4.0
- server, an explicit access method is used. To provide backward
- compatibility and reliable connections between VAX Rdb/VMS V3.1B
- clients and VAX Rdb/VMS V4.0 servers, the proxy access method
- must be used.
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- For non-secure systems, the default access method is provided
- for both VAX Rdb/VMS V3.1B clients and VAX Rdb/VMS 4.0 clients.
- This provides access to the SQLSRV$SRV default account if the
- default account has been enabled on the server.
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- Because Paradox SQL-Link operates as a V3.1B client, proxy access
- must be created on the server.
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- Proxy access permits SQL-Link to access the server when the node
- name is specified in a sqlsrv_associate routine call and an
- entry exists for the incoming application request in the
- SQLSRV$PROXY.DAT file. The proxy file resides in the
- SYS$STARTUP directory on the server system. What needs to be
- defined in the SQLSRV$PROXY.DAT file on the server is for all
- users from a node to have access to the server. This is done by
- defining access as follows in the SQLSRV$PROXY.DAT file on the
- VAX Rdb/VMS V4.0 Server system:
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- ADD/PROXY REMOTE_NODENAME::REMOTE_USERNAME LOCAL_USERNAME
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- This allows user LOCAL_USERNAME to access REMOTE_NODENAME under
- the proxy of REMOTE_USERNAME.
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- To initialize proxy access you must first shut down SQL/Services,
- edit the SQLSRV$PROXY.DAT file as suggested above, then restart
- SQL/Services.
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- For additional information, please refer to your VAX Rdb/V4.0
- Accessing SQL/Services documentation.
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