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I have 2 worksheets. WkSht1 has 1 column A Client name Bob Tom WKSHT 2 has two columns Col. B has multiple client IDs per Client in Col. A A B CLIENT CLIENT ID Bob B123 B456 B789 Tom T321 T654 T987 There are variable numbers of IDs per Client I need a lookup to match on the client from WKSHT1 and retrieve...
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Lately I've been coming across situations where I need to join one or more fields from a large dataset to another large dataset. The obvious answer is a vlookup. However, the speed of the vlookup drops dramatically the larger the datasets, which makes sense, a 100,000 row dataset being matched against...