Question: In order for two queries to be UNION - compatible, they must: Question 1 6 options:both return at least one row.all of the above.both output

In order for two queries to be UNION

-

compatible, they must: Question

16

options:both return at least one row.all of the above.both output compatible data types for each column and return the same number of rows. both have the same number of lines in their SQL statements.

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