Structure of the CUSTOMERS Table

question 22

Multiple Choice

Structure of the CUSTOMERS table
​
-Based on the structure of the CUSTOMERS table,which of the following is a valid SQL statement?​

• A) ​CREATE PUBLIC INDEX customers_name_idx ON customers (lastname,firstname);
• B) ​CREATE PUBLIC INDEX customers_name_idx ON customers (lastname);
• C) CREATE INDEX customers_name_idx ON customers (lastname,firstname);​
• D) ​CREATE PUBLIC INDEX customers_name_idx FOR customers (lastname);

Understand the concept and computation of p-values in hypothesis testing.

Identify when to reject or fail to reject a null hypothesis based on the p-value and level of significance.

Understand the relationship between the level of significance, sample size, and the probability of committing Type I and Type II errors.

Differentiate between one-tail and two-tail tests in hypothesis testing.

---

Definitions:

Legally Protectable

pertains to intellectual property, ideas, or creations that can be legally safeguarded against unauthorized use or infringement.

Category Advisor

Vendor that is designated by the business customer as the major supplier to assume responsibility for dealing with all the other vendors for a project and presenting the entire package to the business buyer.

Business Customer

An individual or entity that purchases goods or services for business use, distinct from a consumer buying for personal use.

Major Supplier

A key provider of goods or services to a company, often crucial for the business's operations and success due to the volume or critical nature of the items supplied.