All questions refer to the conceptual model and short-form s…

All questions refer to the conceptual model and short-form schema for a conference database shown below. For each information request below, write (i) a relational algebra query, and (ii) a SQL query to retrieve exactly the requested information. If some parts of the request are not possible to express in relational algebra, then note this. First information request: Find the titles of all talks that were given in Zurich (that is a location!) at any time in the year 1932. Remember to write first a relational algebra query, and then a SQL query to answer this question. Reminder: To write the relational operators 

In answering the questions on this survey, please consider t…

In answering the questions on this survey, please consider the resources and activities provided to you in the Chapter Overviews. On a scale of 1-5 (1 = strongly disagree, 2= Agree, 3= Neutral, 4= Agree, and 5 = Strongly Agree), to what extent do you agree with the following statements?

If and , find the remaining trigonometric function values o…

If and , find the remaining trigonometric function values of . Be sure to rationalize!      Note: You do not need to upload during the test! You can upload your scratch work afterwards (within 15 minutes) in the corresponding “Test 1 Scratch Work” assignment located in the course modules.