9826zed
18.03.2021 •
Computers and Technology
Q2 Query Optimizer 4 Points Q2.1 The primary goal of a query optimizer is to translate a relational algebra expression into a relational algebra expression translate a relational algebra expression into a query plan translate a query plan into a query plan translate a query plan into a relational algebra expression Q2.2 Given n relations, how many ways (i.e. how big in big O notation) are there to join the n relations
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Ответ:
Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!
cutt.ly/4zZs6GM
Ответ:
b they have opposite seasons