Select the option that is NOT true.

a. Timestamp and Validation schedulers are both optimistic schedulers.
b. Timestamp and Validation schedulers can be used to remove physically unrealizable behaviour.
c. Timestamp and Validation schedulers guarantee serializability.
d. Timestamp and Validation schedulers perform most effectively on transactions that perform writes.

A.) generate scaffolding to create database for your application. develop all the entities identified in assignment #2. add any additional that may be identified later. b.) add data validation rules to the models that are appropriate for your application and data. c.) create links for each scaffold in the header section. part 2: application updates [30 points] a.) add two additional views to the "home" controller you created in assignment #1. b.) the two views should be named as “privacy" and "". c.) link the two newly created views in the footer section. hint: you would need to modify the “home" controller definition and create “privacy.html.erb" and “.html.erb" files in appropriate locations.

Write the html code to make a link out of the text “all about puppies”. it should link to a pdf called “puppies.pdf” inside the “documents” folder. the pdf should open in a new window.

What key should you press and hold to select and open multiple files at one time? enter alt control esc