Relational calculus is said to be a declarative language. In contrast, relational algebra is said to be a procedural language. Explain what is the distinction in your own words. Besides, provide a concrete example of a pair of equivalent relational algebra and calculus query where one is clearly declarative and the other is clearly procedural

Which of the following kinds of programs displays an online advertisement in a banner or pop-up window on webpages, email, or other internet service? e

Look at the far left lane in the picture. explain what the red car is doing and what it needs to do to travel safely.

If you embed a word table into powerpoint, what happens when you make edits to the embedded data? a. edits made to embedded data change the data in the source file; however, edits made to the source file will not be reflected in the embedded data. b. edits made to embedded data will change the data in the source file, and edits made to the source file will be reflected in the embedded data. c. edits made to embedded data don't change the data in the source file, nor will edits made to the source file be reflected in the embedded data. d. edits made to embedded data don't change the data in the source file; however, edits made to the source file will be reflected in the embedded data.