To which table do you add a FOREIGN KEY constraint if you want to make certain every
Question:
To which table do you add a FOREIGN KEY constraint if you want to make certain every book ordered exists in the BOOKS table?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 50% (10 reviews)
The constraint is p...View the full answer
Answered By
Leah Muchiri
I am graduate in Bachelor of Actuarial Science and a certified accountant. I am also a prolific writer with six years experience in academic writing. My working principle are being timely and delivering 100% plagiarized free work. I usually present a precised solution to every work am assigned to do. Most of my student earn A++ GRADE using my precised and correct solutions.
4.90+
52+ Reviews
125+ Question Solved
Related Book For
Question Posted:
Students also viewed these Computer science questions
-
Currently, the contents of the Category column in the BOOKS table are the actual name for each category. This structure presents a problem if one user enters COMPUTER for the Computer category and...
-
Describe the SQL clauses used in the definition of: a. A primary key constraint b. An alternate key constraint c. A foreign key constraint d. A check constraint
-
Answer each of the following questions briefly. The questions are based on the following relational schema: Emp (eid: integer, ename: string, age: integer, salary: real) Works (eid: integer, did:...
-
Suppose \(x\) is a linked-list Node. What is the effect of the following code fragment? \[x \cdot \text { next }=x \cdot \text { next } . \text { next; }\]
-
Logan Miller started her own accounting firm, Miller Accounting, on May 1, 2017. Logan Miller wants to prepare monthly financial statements, so adjusting journal entries are required on May 31....
-
The data shown in Table 11.E1 come from a production process with two observable quality characteristics: x1 and x2. The data are sample means of each quality characteristic, based on samples of size...
-
To test the effectiveness of general controls in an EDP system, the auditor may perform the following procedures: 1. Trace selected program changes to supporting documentation. 2. Review and evaluate...
-
Organic Health Care Products Inc. expects to maintain the same inventories at the end of 2012 as at the beginning of the year. The total of all production costs for the year is therefore assumed to...
-
A tensile strip of polystyrene that is 10 cm in length, 5 cm inwidth, and 2 cm in thickness is stretched to a length of 10.5 cm.Assuming that the sample is isotropic and deforms uniformly,calculate...
-
Holly wants to explore the difference between buying and leasing a vehicle, both over 5 years with monthly payments. The car that she has an interest in has a value of $27000, and is located in...
-
When must you define constraints at the table level rather than the column level?
-
What is the difference between disabling a constraint and dropping a constraint?
-
1. Suppose the Swiss franc price of a dollar was 1.233 SFr/$ in 2007 and 0.9508 SFr,$ in 2013. The price index for Switzerland (2007=100) was 102.82 in 2013, and the price index for the US (2007=100)...
-
Explain the fallacy of the exception.
-
Draw a scatter diagram and find \(r\) for the data shown in each table in Problems 25-30. 1 234 1 5 8 13
-
Hosts A and B are each connected to a switch S via 10-Mbps links as in Figure 1.21. The propagation delay on each link is 20 s. S is a store-and-forward device; it begins retransmitting a received...
-
Problems 45-50 show scatter diagrams along with a best-fitting line. Match the best-fitting line in each with an appropriate equation named \(\mathrm{A}-\mathrm{H}\). A. \(y=0.5 x-4\) B. \(y=-0.5...
-
Discuss the correlation shown by the following chart. Age-adjusted deaths per 100,000 population 30 25 20 15 10 0 5 Philippines. 0 Thailand 20 South Africa Venezuela Chile Panama Colombia Japan 40...
-
What is thermal contact resistance? How is it related to thermal contact conductance?
-
Shreemaya Hotel in !adore was facing a problem of low demand for its rooms due to off season. The Managing Director (MD) of the hotel, Mrs. Sakina was very worried. She called upon the Marketing...
-
Justify Table 8.2, summarizing the running time of the methods of a tree represented with a linked structure, by providing, for each method, a description of its implementation, and an analysis of...
-
Draw an arithmetic expression tree that has four external nodes, storing the numbers 1, 5, 6, and 7 (with each number stored in a distinct external node, but not necessarily in this order), and has...
-
What are the minimum and maximum number of internal and external nodes in an improper binary tree with n nodes?
-
Electric energy units are often expressed in "kilowatt-hours." (a) Show that one kilowatt-hour (k Wh) is equal to 3.6 x 10 J. (b) If a typical family of four uses electric energy at an average rate...
-
What are the ethical and safety implications of deadlocks in critical infrastructure systems, such as power grids or medical devices, and what measures can be taken to ensure high reliability and...
-
Discuss the economic rationale for fiscal decentralisation with reference to the Tiebout model. How would you characterise the empirical support for the model's implications?
Study smarter with the SolutionInn App