What is the purpose of the primary keys of a table in a relational database?

Question:

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Programming the World Wide Web

ISBN: 978-0133775983

8th edition

Authors: Robert W. Sebesta

See More Books

Question Posted: Mar 06, 2020 12:26 PM

See More Questions

What is the purpose of designer-added entities, tables, and keys?
What is the purpose of the fact table and dimension tables shown in the property sales DM?
What is the purpose of stating the primary actor for the use case?
Find the struggles faced by business (printed t-shirts) with suppliers? Explain what would be the communication plan for each stakeholder and how you'll implement the decision you have taken?
Estimate the AISI-SAE number for steels having the following microstructures: (a) 38% pearlite-62% primary ferrite; (b) 93% pearlite-7% primary cementite; (c) 97% ferrite-3% cementite; and (d) 86%...
In Problem examine the product of the two matrices to determine if each is the inverse of the other. 1 2 1 -2 1 0 1 0 -1 -1 1 1 -1
What data is found in a part master file or an item master file?
Two humid gas streams are combined in a heated mixing chamber. The first stream contains 23.5 mole% ethane and 76.5% ethylene on a dry basis and enters the chamber at 25C and 105kPa at a rate of...
four articles on Wanderlust Chronicles
Peeves Corporation paid $4,000,000 in cash for an 80 percent interest in Jeeves Corporation on January 1. 2016, when Jeeves' common stock was at $2,500,000 and retained earnings were at $500,000....
What is a postback?
What is the purpose of a cross-reference table?
As the distance between the sample mean and the population mean grows, the value of t ____.
Whateva Ltd uses a flexible budget and standard costs to aid planning and control of its machining manufacturing operations. The costing system for manufacturing has two direct cost categories...
Task 2 In addition to the report produced for Task 1, the SMT have asked that you produce a short presentation, (minimum of 2 slides per bullet point), to help ensure that employees handle, store and...
Real solutions for x 2 = 5 ( x + 3 6 0 ) ?
1) Two-stage compressor with irreversibilities = You need to build a two-stage compression system with intercooling to increase the pressure of Argon (monatomic gas, constant specific heat) from pi...
A tightrope is connected at each end to a vertical tree trunk at a height of 1.57 meter above the ground. The two trees are located a distance 5.00 meters apart. At the midpoint of the tightrope, a...
Write a program segment that inputs Age, displays "Yes, you can vote" if Age is 18 or older and displays "You are too young to vote" if Age is less than 18, and displays nothing else. Remember to use...
In Exercises, find the equation of the tangent line at the given point on each curve. 2y 2 - x = 4; (16, 2)
Does RPM actually create a shortest path tree? Explain. What are the leaves of the tree?
List three steps that a DVMRP router uses to create a source-based tree. Which phase is responsible for creating the part of the tree from the source to the current router? Which phase is responsible...
Explain why an MOSPF router can create the shortest path with the source as the root in one step, but DVMRP needs three steps to do so.
Compute the 1- year forward price for a stock if the spot price is 44.69 and the risk-free rate is 4.4%.
On January 1, 2016, Wasson Company purchased a delivery vehicle costing $50,710. The vehicle has an estimated 8-year life and a $4,700 residual value. Wasson uses the units-of-production depreciation...
1. CMA does a horizontal analysis on Jones CO historical data. Restults are in millions. Year 1 Year 2 Year 3 Year 4 sales 250 275 280 285 Earnings before tax 175 185 195 205 tax rate Year 1 35% 35%...

What is the purpose of the primary keys of a table in a relational database?

Question:

Step by Step Answer:

Primary key refers to column that serves a special pu...View the full answer

Programming the World Wide Web

Students also viewed these Computer science questions