The following table shows the formulas for determining the file sizes required for the execution of the database copy utility (pdcopy):
File type | Formula (bytes) |
---|---|
Backup file* Full backup file* | a![]() ![]() ![]() i = 1 + 88 ![]() ![]() |
Differential backup file* | w![]() |
Differential backup management file | (1 + j + m) ![]() |
Log point information file | 1024 |
|
Condition | Value added to Xi | ||
---|---|---|---|
Tables | Row length<di | Deleted rows are distributed over the entire table | MIN(number of deleted rows, number of table pages used) |
Deleted rows are concentrated on a few pages | MIN(number of deleted rows ![]() | ||
Row length>di | MIN(number of deleted rows ![]() | ||
Indexes | Updated keys are distributed over the entire index | MIN(number of update keys + ![]() | |
Updated keys are concentrated on a few pages | MIN(number of update keys ![]() ![]() |
Condition | Value added to Xi | ||
---|---|---|---|
Tables | Update column length<di | Updated rows are distributed over the entire table | MIN(number of updated rows, number of table pages used) |
Updated rows are concentrated on a few pages | MIN(number of updated rows ![]() | ||
Update column length>di | MIN(number of updated rows ![]() | ||
Indexes | Updated keys are distributed over the entire index | MIN(number of update keys ![]() ![]() ![]() | |
Updated keys are concentrated on a few pages | MIN(number of update keys ![]() ![]() ![]() ![]() |