Subquery versus Output Table
I am always looking to optimize my dataflows and was curious if it was better to have multiple output tables in a dataflow or less output tables by utilizing subqueries? For debugging and readability it is nice to have multiple output tables but I do not want to do this if it will have a negative impact on performance.
Thanks in advance for your responses.
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Chris
Best Answer
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hey @cwolman!
For larger datasets at least, having multiple transforms is a good way to go, in my experience subqueries seem to bog down a bit for the larger sizes.
For smaller datasets, do it either way, whatever works best for you.
Seems like you're on the right track!
**Say 'Thanks' by clicking the thumbs up in the post that helped you.
**Please mark the post that solves your problem as 'Accepted Solution'1
Answers
-
hey @cwolman!
For larger datasets at least, having multiple transforms is a good way to go, in my experience subqueries seem to bog down a bit for the larger sizes.
For smaller datasets, do it either way, whatever works best for you.
Seems like you're on the right track!
**Say 'Thanks' by clicking the thumbs up in the post that helped you.
**Please mark the post that solves your problem as 'Accepted Solution'1
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