Technically D is not correct. You can have a different number of fields, the unmatched fields will have lots of nulls in them. From their documentation: "For best results, the tables that you combine using a union must have the same structure. That is, each table must have the same number of fields, and related fields must have matching field names and data types."
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THC1138
1 month, 1 week agoItsMompo
5 months, 1 week ago