Discuss the main categories of data models. What are the basic differences among the relational model, the

Question:

Discuss the main categories of data models. What are the basic differences among the relational model, the object model, and the XML model?

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals Of Database Systems

ISBN: 9780133970777

7th Edition

Authors: Ramez Elmasri, Shamkant Navathe

See More Books

Question Posted: Nov 09, 2021 01:06 AM

See More Questions

What are the basic differences among data dictionary entries prepared for data stores, data structures, and data elements?
What are the basic differences among book value, liquidation value, market value, and intrinsic value?
What are the basic differences among a single-product strategy, a strategy based on related diversification, and one based on unrelated diversification?
Fox Erasing has a system of internal control with the following procedures. Match the procedure to the corresponding internal control principle. Procedure Internal Control Principle A. Establish...
Before adjustment: Given At year-end, an inventory of supplies shows $50. Required a. How much is the adjustment for office supplies? b. Draw a transaction analysis box for this adjustment. c. What...
Slick Corporation is a small producer of synthetic motor oil. During May, the company produced 5,000 cases of lubricant. Each case contains twelve quarts of synthetic oil. To achieve this level of...
How should a transaction gain or loss be reported that is related to an unsettled receivable recorded when the firm's inventory was exported? LO6
Its late Tuesday evening, and youve just received a phone call from Dennis Whiting, your boss at GE Capital. Dennis wants to know your reaction to the Argenti loan request before tomorrows loan...
During February 2022, its first month of operations, the owner of Bramble Corp. invested cash of $98000. Bramble had cash sales of $19600 and paid expenses of $34300. Assuming no other transactions...
1. Barbara Houlihan (single; 1 federal withholding allowance) earned daily gross pay of $320. For each period, she makes a 401(k) contribution of 12% of gross pay. 2. Marcus Xavier (married; 5...
Describe the three-schema architecture. Why do we need mappings among schema levels? How do different schema definition languages support this architecture?
What is the relationship between a type and its subtype in a type hierarchy? What is the constraint that is enforced on extents corresponding to types in the type hierarchy?
How do somatic sensations differ from special senses?
Write out the form of the partial fraction decomposition of the function (see example). Do not determine the numerical values of the coefficients. x3 (a) x + 7x+6 9x+1 (b) (x + 1)3(x + 2) Submit...
You desire to make an 80% by weight vinyl acetate to 20% by weight styrene copolymer via free radical, emulsion polymerization. The r 1 and r 2 values for these monomers are 0.01 and 55,...
Q1)In a wheel and axle machine the diameters of the wheel and the axle are 450mm and 60mm respectively.The efficiency is 97%(0.97 per unit).When a body having a mass of 40kg is being lifted.Determine...
Smith & Chief Ltd. of Sydney, Australia, is a merchandising firm that is the sole distributor of a product that is increasing in popularity among Australian consumers. The company's income statements...
C. In lab, you measure the x & y components of a possible incompressible flow field as u = 2cxy; and where cand a are constants. v = c(a + x - y) 5. (04 pts) Short answer, what is necessary for the...
Silver Enterprises has acquired All Gold Mining in a merger transaction. Construct the balance sheet for the new corporation if the merger is treated as a purchase of interests for accounting...
On January 1, 2017, McIlroy, Inc., acquired a 60 percent interest in the common stock of Stinson, Inc., for $340,200. Stinson's book value on that date consisted of common stock of $100,000 and...
Consider a STUDENT relation in a UNIVERSITY database with the following attributes (Name, SSN, Local_phone, Address, Cell_phone, Age, GPA). Note that the cell phone may be from a different city and...
Recent changes in privacy laws have disallowed organizations from using SSN to identify individuals unless certain restrictions are satisfied. As a result, most US universities cannot use SSNs as...
Consider the database shown in Figure 1.2, whose schema is shown in Figure 2.1. What are the referential integrity constraints that should hold on the schema? Write appropriate SQL DDL statements to...
The predetermined overhead rate is usually calculated Group of answer choices At the end of each year At the beginning of each month At the beginning of the year At the end of the month
ajax county collects property taxes for the cities within the county, Ajax county collected 1000 from citizens in Beatty city that belong to Beatty city what would be the appropriate entries for ajax...
Assume that gasoline costs $ 3 . 2 0 per gallon and you plan to keep either car for six years. How many miles per year would you need to drive to make the decision to buy the hybrid worthwhile,...

Discuss the main categories of data models. What are the basic differences among the relational model, the

Question:

Step by Step Answer:

Data models are visual representations of an enterprises data elements and th...View the full answer

Fundamentals Of Database Systems

Students also viewed these Computer science questions