CHAR value indicating the name of the file on the client computer. The path is resolved on the client computer relative
to the current working directory of the client application.
The value returned by the READ_CLIENT_FILE function represents the contents of the specified client file. You can use the
function in syntax wherever a BINARY expression is allowed.
Since the data returns as a binary string, if the data is in another character set, or is compressed, or is encrypted, you
may also need to perform character set conversion, decompression, or decryption on it.
During evaluation of READ_CLIENT_FILE, the database server initiates the transfer of the specified file from the client. The
client, upon receiving the transfer request, obtains a shared lock on the client file, and holds the lock until the database
server requests the client to terminate the request.
Reading of the file is performed by the client software library, and the transfer of data is done using the command sequence