Maximal size of the buffer to be read (integer).
The read buffer.
Bad parameter type, or too many arguments.
Object is not opened, or read error.
Invalid connection or invalid object.
read() method allows to read
data from the large object, starting at current position.
If you see anything in the documentation that is not correct, does not match
your experience with the particular feature or requires further clarification,
to report a documentation issue.