The problem is certainly tractable. The fraction of recovered notes will depend on the amount of corruption. "Valuable" data is worth seeking.
R:Scope can assist the process. It's all a matter of time. ----- Original Message ----- From: "J. Stephen Wills" <[EMAIL PROTECTED]> To: "RBASE-L Mailing List" <[EMAIL PROTECTED]> Sent: Wednesday, September 17, 2003 2:02 PM Subject: [RBASE-L] - Re: Note Fields - Razzak's Reply > I would concur that it is tedious and sometimes frustrating, but if the data > is perceived as valuable and there is no other recovery option, then it > might be worth it to try, even if the only good ultimate outcome is > demonstration of effort that goes "above and beyond the call" ... > > Steve in Memphis > > ----- Original Message ----- > From: "Albert Berry" <[EMAIL PROTECTED]> > To: "RBASE-L Mailing List" <[EMAIL PROTECTED]> > Sent: Wednesday, September 17, 2003 3:51 PM > Subject: [RBASE-L] - Re: Note Fields - Razzak's Reply > > > > 1. Actually, every table needs the pointers. A note entry may be > sandwiched between an entry from a second table and another entry for yet a > third table. The indexes feed the system the pointer value of the row, so if > the pointer is broken, the data cannot be found, indexed or not. > > > > 2. Autochk will identify broken pointers in each and every table > > > > 3. RScope cannot _automatically_ fix broken pointers in a table with > variable length rows. It is possible to fix them manually, but I would not > want to. This is the ultimate in tedium and frustration. > > > > "Fogelson, Steve" <[EMAIL PROTECTED]> wrote: > > > > >Thanks again for the responses. > > > > > >After reading Razzak's articles, I have come to the conclusion that by > > >designing the DB structure with Note tables for each table that need note > > >fields: > > > > > >1) That the "Note table" doesn't really need previous and next pointers > > >(even though it normally does have them) as this table is only referenced > by > > >the primary key from the parent table. > > > > > >2) We would probably not even notice that there was a broken pointer in a > > >"Note table". Would Autochk pick this up? > > > > > >I still am not sure if R:Scope would fix a broken pointer in a "Note > Table". > > > > > >Thanks > > > > > >Steve > > > > > >-----Original Message----- > > >From: A. Razzak Memon [mailto:[EMAIL PROTECTED] > > >Sent: Wednesday, September 17, 2003 1:54 PM > > >To: [EMAIL PROTECTED] > > >Subject: [RBASE-L] - Re: Note Fields - Razzak's Reply > > > > > > > > > > > >At 11:09 AM 9/17/2003 -0500, Steve Fogelson wrote: > > > > > >>A while back I had asked about Text vs. Note fields. > > >> > > >>A few responses indicated that they keep all "note"s in a separate > table. > > >>Evidently problems with broken pointers. > > >> > > >>I assume you design your DBs with a table for ALL notes. And all the > other > > >>tables contain Note_ID fields where appropriate, that point to that note > in > > >>the note table. Then use a view to read a row including the note. > > >> > > >>Are these assumptions correct? > > >> > > >>Could someone elaborate on this design and problems with broken > pointers. > > >>How is this design strategy easier to fix broken pointers? > > > > > > > > >Steve, > > > > > >Take a look at the following two articles: > > > > > > From The Edge: http://www.razzak.com/fte > > > > > >Understanding and Using VARCHAR Data Type (07/18/2002) > > > > > >Finding and Fixing Broken Indexes (04/30/2002) > > > > > >Hope that helps! > > > > > >Very Best R:egards, > > > > > >Razzak. > > > > > > > > > > > > -- > > Albert Berry > > Full Time Consultant to > > PSD Solutions > > 350 West Hubbard, Suite 210 > > Chicago, IL 60610 > > 312-828-9253 Ext. 32 > > > > > > __________________________________________________________________ > > McAfee VirusScan Online from the Netscape Network. > > Comprehensive protection for your entire computer. Get your free trial > today! > > http://channels.netscape.com/ns/computing/mcafee/index.jsp?promo=393397 > > > > Get AOL Instant Messenger 5.1 free of charge. Download Now! > > http://aim.aol.com/aimnew/Aim/register.adp?promo=380455 > > >
