Question: In a set operation between two SQL statements, all the following are correct, ESCEPT: Select one: 1. Order of attributes in the two statements should

In a set operation between two SQL statements, all the following are correct, ESCEPT: Select one: 1. Order of attributes in the two statements should be the identical 2. Number of attributes n the two statements can be different 3. The data types of attributes n the two statement should be identical 4. The name of attributes n the two statement in the two statements can be dentical

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