Compute natural join and outer join, Database Management System

Assignment Help:

For the relations R and S given below:

R                      S

A

B

C

1

4

7

2

5

8

3

6

9

Compute

 (i) ΠA,C(R) (ii) σB=2(S)

 (iii) natural join (iv) outer join

A

C

1

3

4

6

7

9

(ii)

B

C

D

2

3

10

2

3

11

(iii)

A

B

C

D

1

2

3

10

1

2

3

11

(iv) Assuming left outer join

A

B

C

D

1

2

3

10

1

2

3

11

4

5

6

NULL

7

8

9

NULL


Related Discussions:- Compute natural join and outer join

Datawarehouse, How to define a job scheduling strategy that will meet busin...

How to define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a

Explain concurrency control, Explain concurrency control? Concurrency ...

Explain concurrency control? Concurrency control Oracles multiversion concurrency control varies from the concurrency mechanism used by some other data base vendors. Read

Describe the menu based interfaces for web clients browsing, Describe the M...

Describe the Menu based interfaces for web clients or browsing? Menu-Based Interfaces for Web Clients or Browsing - These interfaces present the user along with lists of option

What are the authentication modes in sql server, What are the authenticatio...

What are the authentication modes in SQL Server? How can it be changed? Windows mode and Mixed Mode - SQL and Windows. To alter authentication mode in SQL Server click Start, P

Give short note on the following terms- dirty pages and etl, Give short not...

Give short note on the following terms:Dirty pages and ETL a.) Dirty pages. These are buffer pages which comprise modifications which haven't been written to disk. b.

Explain the deadlock avoidance, Define deadlock avoidance. An alternat...

Define deadlock avoidance. An alternative method for avoiding deadlocks is to needs additional information about how resources are to be requested. Each request requires the s

Assignment, how does Btree differ from a B+ - tree?

how does Btree differ from a B+ - tree?

#cursor, #what is cursor its uses ? Explain it

#what is cursor its uses ? Explain it

Relational database implementation, You must implement the entity relations...

You must implement the entity relationship model provided in the model solution to Assignment 1. The model solution will be released on the course website approximately TWO (2) we

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd