Client-Server Query Commands

0000	Open a file.
0001	Close a file.
0002	Insert the contents of the ARGUMENTS field into the file.
0003	Update the current record with the contents of the ARGUMENTS field.
0004	Delete the current record.
0005	Read a record via its complete key, specified in the ARGUMENTS field.
0006	Read the next record (by key or sequentially).
0007	Read the previous record (by key or sequentially).
0012	Read the file's first record (by key or sequentially).
0013	Read the file's last record (by key or sequentially).
0015	Open the file, delete all records, close the file.
0018	Start commitment control.
0019	Stop commitment control.
0020	Commit.
0021	Rollback.
0023	Read by record number.
0030	Unlock the currently locked record.
0058	Position after the last record whose key (all or part of) is specified in the ARGUMENTS field.
0060	Position before the first record whose key (all or part of) is specified in the ARGUMENTS field.
0061	Read the next record whose key (all or part of) is specified in the ARGUMENTS field.
0062	Read the previous record whose key (all or part of) is specified in the ARGUMENTS field.
0080	Retrieve the date (YYYYMMDD) of the machine that holds the requested server.
0081	Retrieve the time (HHMMSS) of the machine that holds the requested server.
0082	Retrieve the name of the user signed on the machine that holds the requested server.
0098	Retrieve the code page of the machine that holds the requested server.
0099	Run a command (RPC) on the machine that holds the requested server.
0100	Returns the physical file description.
0101	Returns the physical file's description specifying the keys.
0102	Returns the physical file's description specifying the keys and the field names.
0103	Indicates the number of bytes occupied by a record of the physical file.
0105	Same as 0005 without lock.
0106	Same as 0006 without lock.
0107	Same as 0007 without lock.
0112	Same as 0012 without lock.
0113	Same as 0013 without lock.
0123	Same as 0023 without lock.
0161	Same as 0061 without lock.
0162	Same as 0062 without lock.
0200	Create a data area (specify the number of bytes of the record contained in the data area).
0201	Open a data area.
0202	Close a data area.
0203	Delete a data area.
0204	Modify a data area.
0205	Read a data area with lock.
0206	Read a data area without lock.

Click below to have:

the detailed list of the return codes associated with the Client/Server queries.

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