Question: UNION, INTERSECT, and MINUS work properly only if relations are union - compatible, which means that the names of the relation attributes and their data

UNION, INTERSECT, and MINUS work properly only if relations are union-compatible, which means that the names of the relation attributes and their data types must be different.

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 Databases Questions!

Q:

database: 1. 2. 3. 4. 5. A(n) join returns not only the rows matching the join condition (that is, rows with matching values in the common columns) but also the rows with unmatched values. Select...

Q:

Relational Algebra - Database Systems If you can't do all of them then please do not attempt the question. ANSWER TEMPLATE: Symbol to choose the symbol that you want such as ( ) (or copy from here)....

Q:

The primary class in the program encapsulates the notion of a Game. A game in turn contains several components, including (1) a GameWorld which holds a collection of game objects and other state...

Q:

N A S TIO I C VE A N T I IZ O E T N R C A TI O PE G CA E S R NI H R T E O U P OR M 2 F OM E R T P C A L C H A L LEARNING OBJECTIVES After studying this chapter, you will be able to answer several...

Q:

This is your week 4 paper for HRMT413. READ FULLY CHAPTER 10 OF YOUR TEXT: 4 page paper Consider your current or any former work location at which you have been employed. In a power point or word...

Q:

1. What is a CROSS JOIN? Give an example of its syntax. 2. What three join types are included in the OUTER JOIN classification? 3. Using tables named T1 and T2, write a query example for each of the...

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:

Question: What is culture? 9 Culture and Cultural Diversity and Their Relationship to Academic Achievement Learning Outcomes After reading this chapter, you should be able to ... Define culture;...

Q:

Model Minority Myth: How to avoid it and why 9 Culture and Cultural Diversity and Their Relationship to Academic Achievement Learning Outcomes After reading this chapter, you should be able to ......

Q:

Schmidt Company uses standard costing. The company has two manufacturing plants, one in Colorado and the other in Michigan. For the Colorado plant, Schmidt has budgeted annual output of 4,000,000...

Q:

Explain why the MACRS method of recognizing depreciation is better than the straight-line method.

Q:

Solve each of the following equations. 5 (a) 2-x+21 7x-4 x-1 3x-1 7+x (b) 15 3 5 10 x+1 1 1 (c) 5x-l^2(15x) 4 x+1 4 3. (d) 2x-1 4x-2 6x-3 3 5 1 (e) + 2-x 4-2x x-2

Q:

Which type of response to interpersonal conflict strives to satisfy one's own needs at the expense of someone else's needs? A . ForcingO B . Unassertive C . Collaborative D . Anti - manipulativeO E ....

Q:

4. List and discuss the four steps in effectively coaching an employee. How could (and would) a professional football coach apply these steps?pg 87

Q:

Have written rules listing infractions that may require discipline and discharge.pg 87

Q:

6. Explain the factors you would consider when dismissing an employee.pg 87