Question: Sometimes a single column is not sufficient to uniquely identify each row in a table. When two or more columns are needed to comprise the

Sometimes a single column is not sufficient to uniquely identify each row in a table. When two or more columns are needed to comprise the unique identifier for a table, what is the term for that identifier?

foreign key

combination primary key

composite primary key

multiple key

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!

Lesson 12 Quiz (Show/Explain all Work) IST 230 Relations on Sets, Databases 1. Let A = {0, 1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6, 7, 8}. Now let R be a binary relation R from A to B such...

Hudson: Lisa: Fred: Jake: We've made a lot of progress researching various ERP vendors. However, ERP software for car dealerships is still fairly expensive for a small dealership like ours. Combine...

My name is Salam Abdulhussein and I need this to be done as soon as possible. Please follow the steps one by one and make sure everything is correct Global Bike, Inc. ERP for Sales / Collection USING...

Project SEE attatchment of mom and pop database In this assignment you will create the physical database from your design created in Project 2. Project 2 was a logical model of the Mom & Pop...

Mom and POP database: Project 2 Based on the business requirements provided, the ERD would include the following entities: -Customers -Videos/DVDs -Movie -Distributors -Transactions Assignment to be...

Project 3 In this assignment you will create the physical database from your design created in Project 2. Project 2 was a logical model of the Mom & Pop database. We need to transition the logical...

CIS400 Visual Basic Programming for the Windows Environment Multiple Choice Questions Each of the following questions has only one correct answer. Circle the choice that is the best answer to each...

169 Chapter 5 - Database Management Systems implemented in a relational database. The analyst E-R diagram by following these five steps: 1. Create a relational table for each entity. In Figure 5.10,...

SQL Engine concepts Physical and Logical layer Query Execution plans exact path the engine takes to step through creating new sub - relationships on its way to reaching a final result ACID Atomic,...

Canadian Post purchased GST-taxable (GST 5%) supplies from Paper Canada worth $45 000 during 2020. Canadian Post used these supplies to provide prints for its customers. Canadian's total GST-taxable...

ERS is a medium size family controlled business with the family holding about 50.1% shareholding while the remainder is in the hands of outsiders. The oldest son in the family Ethan is both CEO and...

Why is operating incorne facquertly substhaned for net income in the calculation of RCI and RCE? Cperating income is mone dosely related ts a compeny's pricelearnings rabio. Opersting income excludes...

per How many mL s will the nurse administer How many mL's will the nurse administer?