Question: Thank you so much chegg !! Consider the following SQL query. You may assume there are no NULLs and all relations are sets. 9. select
Thank you so much chegg !!

Consider the following SQL query. You may assume there are no NULLs and all relations are sets. 9. select distinct from R R1,R R2 where R1.A = R2.A and R1.C = 'apple' and (R1.B = 'orange, or R1.B = 'pear'); Assume that R has exactly three attributes A, B, and C. Write down an equivalent relational algebra expression below
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