I know it's a view. I'm just curious as to why one is varchar2(30) and one is varchar2(4000) when the column names in a constraint are the same ones in a table and should, in theory, be the same size
--- Vladimir Begun <[EMAIL PROTECTED]> wrote: > Rachel > > DBA_CONS_COLUMNS is a view. DECODE is applied against > attrcol$.name -- which is varchar 4000. > > Kind Regards, > -- > Vladimir Begun > The statements and opinions expressed here are my own and > do not necessarily represent those of Oracle Corporation. > > Rachel Carmichael wrote: > > As part of the process of making sure that null/not null > constraints > > are consistent across development/staging/production, I'm looking > at > > the dba_cons_columns table. > > > > Now, as far as I know, column_names are limited to 30 characters, > > correct? If so, why is the column_name column in dba_cons_columns > > (9.2.0.1) a varchar2(4000)? I realize that the "extra space" isn't > used > > and is never allocated so it's not like this is wasteful. > > > > But it's inconsistent with everything else, since dba_tab_columns > has a > > column_name column of varchar2(30). > > > > anyone know why this is like this? > > > > Rachel > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Vladimir Begun > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
