home *** CD-ROM | disk | FTP | other *** search
/ Developer Source 18 / Developer Source Volume 18 (I-MODE Publications, Inc.)(2000).iso / oracl / 011 / burlf101.gif next >
Graphics Interchange Format  |  2000-06-28  |  30.5 KB  |  312x242  |  8-bit (130 colors)
   ocr: FIGURE 1: The rows of a table on disk rarely map to the primary index; data in adjacent OWs may be scattered across many blocks. Disk Vo occurs each time the instance needs to retrieve a new row.