Figure 2: SYSUSAGES

|----------------------------------------------------------|
|  dbid  : Database id, first part of composite key.       |
|  segmap: Bit map of segment assignments.                 |
|  lstart: First logical page number, second field of      |
|          composite key.                                  |
|  size  : Number of sybase pages.                         |
|  vstart: Starting virtual page, between low + high       |
|          sysdevices.                                     |
|----------------------------------------------------------|
|  dbid   segmap      lstart      size        vstart       |
|  ------ ----------- ----------- ----------- -----------
|
|       1           7           0        1536           4  |
|       1           7        1536         512        3588  |
|       2           7           0        1024        2564  |
|       2           7        1024        5888        4100  |
|       2           7        6912       40960   100663296  |
|       2           7       47872       51200   117440512  |
|       3           7           0        1024        1540  |
|       4           3           0      102400   150994944  |
|       4           4      102400       25600    33554432  |
|       5         395           0      667648    50331648  |
|       5         403      667648      667648    67108864  |
|       5         163     1335296      667648   134217728  |
|       5         195     2002944      460800   151097344  |
|       5           4     2463744      512000    33580032  |
|       5         131     2975744      667648   218103808  |
|       6           3           0      512000   167772160  |
|       6           4      512000       25600    34092032  |
|       6           4      537600      153600   184549376  |