This option controls whether the database server can read files on the client computer. On means reading is allowed. Off means
reading is not allowed. Prompt means prompt the user for the action to take.
This option is stored on a per-connection basis and persists only for the duration of the connection. You can set this option
using the SET TEMPORARY OPTION statement. If you omit the TEMPORARY keyword, Interactive SQL reports an error.
This option allows a data file to be read without user intervention when a LOAD TABLE is executed from a stored procedure
READCLIENTFILE authority is required to read a file on a client computer.