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ROW CHANGE TIMESTAMP is not the same thing as ROW CHANGE TOKEN.
ROW CHANGE TIMESTAMP is an actual time stamp of the moment the row was
changed, and it's an actual column you put in your table.
CREATE TABLE
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_
73/db2/rbafzhctabl.htm
(search for ROW CHANGE TIMESTAMP)
Database > Reference > SQL reference > Statements
ROW CHANGE TOKEN is an internal BIGINT for you so that you don't /have
to/ put a ROW CHANGE TIMESTAMP in your table. In my personal
experience, the ROW CHANGE TIMESTAMP is more useful to me because I
can ask the system to give me all the rows changed in a particular
time period. The only thing that TOKEN tells me is whether a row
experienced a change or not.
ROW CHANGE expression
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_
73/db2/rbafzrowchg.htm
Database > Reference > SQL reference > Language elements > Expressions
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