I'll address your second question, because I don't know, offhand, the
answer to the first!

IMO, there's almost no advantage to using LONG.  There are many
restrictions on its use (e.g., only one LONG in a table), you can't
apply a function to a LONG column, you can't use it in a set operation,
etc.  In addition, Oracle says that the LONG datatype will soon be
phased out.  

If you can fit your data into 4000 or fewer characters, use VARCHAR2. 
If not, go for CLOB/BLOB, which require a little more overhead, but are
much more useable than LONG.

Paul Baumgartel
Adept Computer Associates, Inc.
[EMAIL PROTECTED]

--- "Rusnak, George A." <[EMAIL PROTECTED]> wrote:
> Group,
> Please share with me a way to determine the actual length of data in
> a LONG
> data type. As a follow on, what are the pros/cons of using LONG vs.
> CLOB or
> VARCHAR2 ??
> 
> TIA
> 
> Al Rusnak
> 804-734-8453
> [EMAIL PROTECTED]
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> -- 
> Author: Rusnak, George A.
>   INET: [EMAIL PROTECTED]
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