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Data Consistency, Recovery, and Migration 4-57
Which Migration Method Is Best for You?
Which Migration Method Is Best for You?
Each of the migration methods imposes constraints of one form or another on
the user. The decision trees shown in Figure 4-11 through Figure 4-14
summarize the choices among the migration methods.
After you determine which method best suits your needs, refer to Chapter 7,
“Utilities,” for detailed instructions for using each utility. Refer to the
DB-Access User’s Manual for information about the LOAD and UNLOAD
statements.
Figure 4-11
First decision tree
summarizing the
choices among
OnLine migration
methods
Do you want to move data in
database units?
Do you want to keep the current
database schema?
See Figure 4-13
Are you moving to another
OnLine?
dbexport/ dbimport
Does the host machine have the
same page size?
tbunload/ tbload
See Figure 4-12
Which OnLine migration method is best for you?
dbexport/ dbimport
Yes
Yes
Yes
Yes
No
No
No
No