Which of the Following Is a Relational Algebra Function

question 101

Multiple Choice

Which of the following is a relational algebra function?

• A)restrict
• B)project
• C)join
• D)all are relational algebra functions

Identify and apply strategies to overcome the fear of failure.

Explain the role of management in fostering emotional intelligence within teams.

Understand the multifaceted impact of individual ethics, corporate culture, and societal norms on organizational behaviors.

Recognize the importance and methodology of setting SMART goals for personal and professional development.

---

Definitions:

Multinomial Proportions

Relative frequencies of outcomes from a multinomial distribution, often used to describe the proportion of outcomes in categorical data.

One-tail Test

A statistical test where the alternative hypothesis specifies a direction of the tested effect.

Z-test

A statistical method employed to ascertain if there's a difference between the means of two populations when the variances are established and the sample size is significant.

Chi-square Goodness-of-fit

A statistical test that measures how well observed sample data fit the expected distribution from a given hypothesis.