Why are Referential Integrity constraints important?
Question:
Why are Referential Integrity constraints important?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (2 reviews)
Tables are logically associated together when the key of one table appears within another table ...View the full answer
Answered By
Susan Juma
I'm available and reachable 24/7. I have high experience in helping students with their assignments, proposals, and dissertations. Most importantly, I'm a professional accountant and I can handle all kinds of accounting and finance problems.
4.40+
15+ Reviews
45+ Question Solved
Related Book For
Question Posted:
Students also viewed these Computer science questions
-
Project 1 provides experience with creating ERDs and writing CREATE TABLE statements for the Expense Reporting database at XCorp, a fast-growing web consulting company. You will design an ER Diagram...
-
When creating a physical data model, when/how are referential integrity constraints created?
-
In April 2010, 49% of the unemployed had been out of work longer than six months. Policy makers felt that this percentage declined during 2010 as the job market improved. To test this theory, a...
-
Bobby is a baseball player who earns $1 million a year playing for team X. If he werent playing baseball for team X, he would be playing baseball for team Y and earning $800,000 per year. If he...
-
Distinguish between the sales value at split off method and the NRV method.
-
In addition to analyzing the relationship between the managers characteristic and the performance of the fund, researchers wanted to determine whether the same characteristics are related to the...
-
What are some of symptoms of Functional Decompositions?
-
Oregon Company disclosed the following information for its recent calendar year. Revenues . . . . . . . . . . . . . . . . . . . . . . . . . . . . $100,000 Expenses Salaries expense . . . . . . . . ....
-
Discounted economy airfares have risen the most, but there is still strong demand for them. What does this suggest about the price elasticity of demand (PED) for these fares, the slope of the demand...
-
A new database has a new table for Department and another for Employee as shown in Section 1.5, and Referential Integrity constraints created. Files are available to load each table. Does it matter...
-
You are asked to install a RDBMS on a desktop computer with two internal drives. How would you configure the system across those drives to provide the best possible backup/recovery protection?
-
Substrate A and enzyme E flow through a mixed flow reactor (V = 6 liter). From the entering and leaving concentrations and flow rate find a rateequation to represent the action of enzyme on...
-
according to kenneth lusht What units of comparison are commonly used for estimating the rent kinds of properties?
-
Identify at least three activities applicable for John Deere and an appropriate cost allocation base for each activity.
-
WK Ltd. is located in Halifax, Nova Scotia, which has an HST rate of 15%. WK has two businesses - they own a large superstore, and they have a rental property that is rented out to individuals for...
-
How does the use of historical irony, wherein past events take on unforeseen significance or resonance in light of subsequent developments, challenge linear notions of historical progress and human...
-
Define (4 points) the following and explain the use/role (2 points) with an example in C++ (4 points). a) Object-Oriented Paradigm (10 points) b) Data Abstraction (10 points)
-
A corporation plans to issue $10 million of 10-year bonds in 3 months. At current yields the bonds would have modified duration of 8 years. The T-note futures contract is selling at F0 = 100 and has...
-
Diamond Walker sells homemade knit scarves for $25 each at local craft shows. Her contribution margin ratio is 60%. Currently, the craft show entrance fees cost Diamond $1,500 per year. The craft...
-
The indented parenthetic representation of a tree T is a variation of the parenthetic representation of T (see Code Fragment 8.26) that uses indentation and line breaks as illustrated in Figure 8.22....
-
Let T be a tree with n positions. Define the lowest common ancestor (LCA) between two positions p and q as the lowest position in T that has both p and q as descendants (where we allow a position to...
-
Let the rank of a position p during a traversal be defined such that the first element visited has rank 1, the second element visited has rank 2, and so on. For each position p in a tree T, let...
-
In a Calorimetry experiment, a 20.0g metal ball is heated to 150 Cand dropped into a perfectly insulating container with 200 g of water initially at 20.0 C. After stirring the water for a few...
-
Three blocks are in contact with one another on a frictionless, horizontal surface as shown in the figure below. A horizontal force F is applied to m. Take m = 2.00 kg, m = 3.00 kg, m3 = 5.55 kg, and...
-
Part A At night while it is dark, a driver inadvertently parks his car on a drawbridge. Some time later, the bridge must be raised to allow a boat to pass through. The coefficients of friction...
Study smarter with the SolutionInn App