I first want to check if data exists in a table A, then if yes I want to truncate data in table B and replace with the data in table A. If No I do not want to do anything.
I believe there is some sort of row function or exist statement that is needed, however my attempts are causing errors. Please advise. Thanks
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Using examples as well as descriptions, and references to Books Online, show the documentation available for datatypes, explain the available data types and show how data can be passed into and out of variables.