New England College Week 9 Interpreting the Query Planner Paper

Question Description

Exercise 26: interpreting the Query Planner

Attached Files:
- Exercise26.sql (416 B)
Using the sqlda database, complete exercise 26. The queries for this exercise are attached. If you run the queries from PGADMIN, you do not need the ‘sqlda=#’ prompt. shown in the text. Submit a Word file with a screenshot of two query plans from the exercise. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
Activity 10: Query Planning

Using the sqlda database, complete Activity 10 in the text. Submit a Word document with the answers to the questions in steps 3,4, and 5. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
Activity 10a: Query Plan (extra credit/not required)

Using sqlda, complete Activity 10 using psycopg2. Submit a Word document with the answers to steps 3,4,5 and submit a screenshot of yhur Python code. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.
Exercise 27: Indexes

Attached Files:
- Exercise27.sql (2.201 KB)
In this exercise, you will be showing that indexes can greatly improve the performance of a query. Do Exercise 27 from the book. The sql code is attached. Submit a Word document with a screenshot showing whether the index has optimized the search. Highlight the answer. Comment your images with a sentence or so of description in your own words of what you are doing. Please make sure that your images are large enough and high enough resolution for the reader to see the text in your queries and the results.

Our Service Charter

1. Professional & Expert Writers: Assignment Geeks only hires the best. Our writers are specially selected and recruited, after which they undergo further training to perfect their skills for specialization purposes. Moreover, our writers are holders of masters and Ph.D. degrees. They have impressive academic records, besides being native English speakers.

2. Top Quality Papers: Our customers are always guaranteed papers that exceed their expectations. All our writers have +5 years of experience. This implies that all papers are written by individuals who are experts in their fields. In addition, the quality team reviews all the papers before sending them to the customers.

3. Plagiarism-Free Papers: All papers provided by Assignment Geeks are written from scratch. Appropriate referencing and citation of key information are followed. Plagiarism checkers are used by the Quality assurance team and our editors just to double-check that there are no instances of plagiarism.

4. Timely Delivery: Time wasted is equivalent to a failed dedication and commitment. Assignment Geeks is known for timely delivery of any pending customer orders. Customers are well informed of the progress of their papers to ensure they keep track of what the writer is providing before the final draft is sent for grading.

5. Affordable Prices: Our prices are fairly structured to fit all groups. Any customer willing to place their assignments with us can do so at very affordable prices. In addition, our customers enjoy regular discounts and bonuses.

6. 24/7 Customer Support: At Assignment Geeks, we have put in place a team of experts who answer all customer inquiries promptly. The best part is the ever-availability of the team. Customers can make inquiries anytime.