Question: Which operation can be used to retrieve all attributes from a relation? Join a Union . b Select . C None of these . d

Which operation can be used to retrieve all attributes from a relation?
Join a
Union .b
Select .C
None of these .d
Project .e

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

6. 10. 11. 12. 13. Which of the following is not correct to describe Primary key" in Relational model? ( ) Select one: O a. It references to another relation. b. It can contain multiple attributes....

Q:

25. What does the following query compute? 16- Following ER diagram is given to you. There is a 1:1 relationship between Professor and Department entities. Which of the following options are correct...

Q:

I need help making the SQL statements in visual studio 2017 Please read homework carefully svxGS0201 9 1 0/Project%20Task%2075628 1 %29.pdf MGMT 329: Database Management Project Task 7: Requi The...

Q:

ISBN-13: 9780133593372 (+5) Chapter review problem #43 on page 441. Which of the following statements answer the Question posed in the problem a. The sum computed by T1 would be $100 too small...

Q:

Chapter Ten Nonwage Issues in Bargaining Wage and nonwage issues are not completely separable. Both have economic consequences for the employer. For example, provisions relating to hours of work...

Q:

Chapter Ten Nonwage Issues in Bargaining Wage and nonwage issues are not completely separable. Both have economic consequences for the employer. For example, provisions relating to hours of work...

Q:

You will develop an E-Commerce database used to maintain customers, products and sales information. You are required to 1) gather and analyze requirements 2) design logical structure of the database...

Q:

Which one of the following statements regarding operations on relations in a database is FALSE? a . The difference operation is applied to two relations that do not necessarily have the same...

Q:

Which one of the following statements regarding operations on relations in a database is FALSE? a . The difference operation is applied to two relations that do not necessarily have the same...

Q:

Task 1 : Relational Algebra ( 1 0 points ) Write relational algebra expressions for the following queries using the company database schema: Retrieve the name and address of employees who work for...

Q:

Explain the difference between a firms sustainable growth rate and its optimal growth rate. In what circumstances is a firms optimal growth rate likely to exceed its sustainable rate, and under what...

Q:

Global Studios is thinking of producing a megafilm, Aqua World, which could be a megahit or a megaflop. Profit is uncertain for two reasons: (1) The cost of producing the film may be low or high, and...

Q:

Profit is the biggest consideration in setting a target sales price? true or false

Q:

An entrepreneur estimates his total profit (total revenue minus total cost) for his proposed company as p(x)=x-4x + 5x-20, where p is in hundreds of dollars and x is number of years the company has...