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Consider the Stu_Act and Act_Fee tables shown in the exhibit. Which relational algebraic
operation would yield the Activity Relation table in the exhibit?
Suggested Answer: C
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11 comments · newest first
CO
Corrina
11 months ago
Wait, are we sure about that?
CH
Charlene
12 months ago
I agree, natural join seems right!
CA
Carmelina
12 months ago
I think it's union, but I'm not sure.
SA
Santos
1 year ago
Definitely not a Cartesian product.
CA
Casie
1 year ago
Looks like a natural join to me!
JO
Jonelle
1 year ago
No problem, I've done this type of task before. I'll just follow the steps in the question - double-click the header, select the text, and then insert the registered symbol from the Insert tab. Easy peasy!
CA
Catalina
1 year ago
I remember that gifts to qualified charities aren't usually taxable, so we need to exclude that from the total.
TA
Tanesha
1 year ago
Ah yes, the Service Abstraction principle - that's the one! I'm confident that's the correct answer here.
BI
Billye
1 year ago
Okay, let me think this through. Sharing session state across multiple apps and supporting concurrent access sounds like it might require a distributed cache or session store, rather than a traditional database. I'll have to research some options for that.
JO
Josephine
1 year ago
Hmm, I'm a bit unsure about this one. I know gRPC supports some common data formats, but I can't remember which ones exactly. I'll have to think this through carefully and eliminate the options that don't seem right.
MI
Mireya
1 year ago
Okay, I remember learning about the Switch widget in class. It's used to toggle on/off states, so that's definitely the right answer here.