Homework Help is Here – Start Your Trial Now!
Engineering
Computer Science
-Given the following relational DB schema and the following SQL query: Student (sid, name, age, address) Book(bid, title, author) Checkout(sid, bid, date) SELECT S.name FROM Student S, Book B, Checkout C WHERE S.sid = C.sid AND B.bid = C.bid AND B.author = ’Olden Fames’ AND S.age > 12 And assuming: There are 20, 000 Student records stored on 2000 blocks. There are 50, 000 Book records stored on 5, 000 blocks There are 300, 000 Checkout records stored on 15, 000 blocks. Student ages range from 7 to 24. Using heuristic rules, show a physical query plan for this query, assuming there are no indexes and data is not sorted on any attribute.

-Given the following relational DB schema and the following SQL query: Student (sid, name, age, address) Book(bid, title, author) Checkout(sid, bid, date) SELECT S.name FROM Student S, Book B, Checkout C WHERE S.sid = C.sid AND B.bid = C.bid AND B.author = ’Olden Fames’ AND S.age > 12 And assuming: There are 20, 000 Student records stored on 2000 blocks. There are 50, 000 Book records stored on 5, 000 blocks There are 300, 000 Checkout records stored on 15, 000 blocks. Student ages range from 7 to 24. Using heuristic rules, show a physical query plan for this query, assuming there are no indexes and data is not sorted on any attribute.

Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN:9781305251038
Author:Joan Casteel
Publisher:Joan Casteel
Chapter12: Subqueries And Merge Statements
Section: Chapter Questions
Problem 19MC
See similar textbooks
icon
Related questions
Question

-Given the following relational DB schema and the following SQL query:

Student (sid, name, age, address)

Book(bid, title, author)

Checkout(sid, bid, date)

SELECT S.name

FROM Student S, Book B, Checkout C

WHERE S.sid = C.sid AND B.bid = C.bid AND B.author = ’Olden Fames’ AND S.age > 12

And assuming:

  • There are 20, 000 Student records stored on 2000 blocks.
  • There are 50, 000 Book records stored on 5, 000 blocks
  • There are 300, 000 Checkout records stored on 15, 000 blocks.
  • Student ages range from 7 to 24.

Using heuristic rules, show a physical query plan for this query, assuming there are no indexes and data is not sorted on any attribute.

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Intermediate SQL concepts
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Oracle 12c: SQL
Oracle 12c: SQL
Computer Science
ISBN:
9781305251038
Author:
Joan Casteel
Publisher:
Cengage Learning
A Guide to SQL
A Guide to SQL
Computer Science
ISBN:
9781111527273
Author:
Philip J. Pratt
Publisher:
Course Technology Ptr
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781305627482
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781285196145
Author:
Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS