Which two statements are true about selecting related rows from two tables based on an Entity Relationship Diagram (ERD)? (Choose two.)
A. Implementing a relationship between two tables might require joining additional tables
B. Relating data from a table with data from the same table is implemented with a self join
C. Rows from unrelated tables cannot be joined
D. Every relationship between the two tables must be implemented in a join condition
E. An inner join relates rows within the same table
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AE
AB
why not D?
AB