Exam Resources: You are welcome to access these resources du…
Exam Resources: You are welcome to access these resources during the exam. Clicking/selecting them should cause each one to open up into it’s own separate tab in LockDown Browser, enabling you to skip between the tabs and the exam as needed. Chapter 8 Slides – Relational Algebra & Relational Calculus Chapter 14 Slides – Functional Dependencies & Normalization Normalization Practice ANSWERS (detailed text) Normalization Notes 15April2021 (colorful graphics) MySQL Documentation The following questions are based on database design and normalization principles.
Read DetailsMary goes to a flea market. Mary :すみません。Tシャ…
Mary goes to a flea market. Mary :すみません。Tシャツは(1)_______(ask for the price)か。 Vendor: (2)_______ (use “which”) Tシャツですか。 Mary :これです。 Vendor:ああ、(3)_______ は1,000えんです。 Mary :そうですか。 (4)_______ Tシャツ (5)_______ (use a particle) 1,000えんですか。 Vendor:いいえ、2,000えんです。
Read DetailsHere is the set of database tables that should be used for t…
Here is the set of database tables that should be used for the following question. Your must determine the number of rows that would be included in the result set for each of the following queries. A result set might not have any rows that meet the query specifications, so an answer of ‘0’ is possible/permitted. If you believe the query is incorrect and would result in an error, then you should enter ‘-1’ as your answer. Finally, you are NOT permitted to recreate the tables in a database and then use it to calculate the answer – you must interpret the query manually to determine the correct number of rows. for download if needed: amtrak_row_counting.pdf
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