TopicQuiz05_2025_rf1_questions.pdf Smith Chart-1.pdf Smith Chart-1.pdf

The food web below displays the direct and indirect effects that fish, dragonflies, bees (i.e., pollinator), and plants have on each other. Describe three (3) of the seven (7) interactions between these five organisms. The interactions are denoted by the seven arrows. In each description, state: 1) the names of the two organisms (e.g., larval dragonfly affects plants) 2) if the effect is direct or indirect 3) if the effect is positive or negative 4) what happens during the interaction (e.g., the adult dragonflies eat the grass). *Note: you are expected to describe 3 different scenarios for full credit. Each scenario is worth 2.0 pts and each must contain the four points described above. *You can combine parts 1-4 as you see fit in your writing to reduce redundancy, just be sure all required parts are in your answer.  

Fill in the diagram below to the best of your ability and use the following format for your answer below: A- _______________ B- _______________ C-_______________, etc. 

Per Sigmund Freud, the primitive part of people’s mental makeup, present at birth, that represents unconscious biological drives for food, sex, and other life-sustaining necessities. The _________________ seeks instant gratification without concern for the rights of others.

The HAVING clause is used to filter rows before grouping occurs.

Given the table T: A B C 1 10 100 2 10 10 3 40 100 4 30 200 5 25 90 What is the result of the following query? SELECT sum(C)FROM TGROUP BY BHAVING count(*) >= 2;

A LEFT JOIN returns all rows from the right table and only the matched rows from the left table.

An ERD is used in the physical design of a database.

Consider the following table: Identify the valid functional dependency among the following potential dependencies.

Consider the following schema :  movie(movieid, title) user(userid, username) review(userid, movieid, score) Which SQL query correctly lists the usernames of users who have not reviewed any movies?