I agree with KP. Please ask your ABAP resource to create a timestamp directly on the Z Table. If you don't do this, you can extract multiple times in a day but there will be a lot of duplication since you will only be able to extract using a date field (limit of 1). What will occur is duplicate records for the current and prior day but you won't miss records. If your ABAP team can't create a timestamp, this option won't be horrible as long as the number of records is low. Since you are expecting to load this multiple times, it seems like it may be a high volume table though and would still recommend the timestamp. One additional question is why do you need to load multiple times in a day?
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