Assignment #3 • Create a row level trigger which insert a tuple into the patients_audit (patient-id, name, date-admitted, doctor-id) table whenever a record is added to the patient and doctors table. • Draw an ERD diagram for the above tables with appropriate entities, attributes, constraints, participants, relationships using any online tool such as draw.io

Assignment #3 • Create a row level trigger which insert a tuple into the patients_audit (patient-id, name, date-admitted, doctor-id) table whenever a record is added to the patient and doctors table. • Draw an ERD diagram for the above tables with appropriate entities, attributes, constraints, participants, relationships using any online tool such as draw.io

Database Systems: Design, Implementation, & Management

12th Edition

ISBN:9781305627482

Author:Carlos Coronel, Steven Morris

Publisher:Carlos Coronel, Steven Morris

Chapter3: The Relational Database Model

Section: Chapter Questions

Problem 25P: Create the ERD. (Hint: Look at the table contents. You will discover that an AIRCRAFT can fly many...

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2. Create a trigger that will maintain the correct value in the membership balance in theMEMBERSHIP table when videos are returned late. The trigger should execute as anFOR/AFTER trigger when the due date or return date attributes are updated in theDETAILRENTAL table. The trigger should satisfy the following conditions. a) Calculate the value of the late fee prior to the update that triggered this execution ofthe trigger. The value of the late fee is the days late times the daily late fee. If theprevious value of the late fee was null, then treat it as zero (0).b) Calculate the value of the late fee after the update that triggered this execution of thetrigger. If the value of the late fee is now null, then treat it as zero (0).c) Subtract the prior value of the late fee from the current value of the late fee todetermine the change in late fee for this video rental.d) If the amount calculated in part c is not zero (0), then update the membership balanceby the amount calculated for the…
For this assignment, please consider the following scenario – You are being asked to articulate the asymmetric key exchange of RSA-1024. Using the drawing tools built into Word, Google Docs, Pages, or your favorite animation tool, and draw the key exchange. List out the steps involved in the key exchange, starting with the request to access and finishing with granting access.
Question p .Using Publisher ID as the common field, create a one-to-many relationship between the Publishers table and the Student Papers table. Enforce referential integrity and enable both cascade options. Create a relationship report with normal margins, and then save the report as Relationships Report. Close all open objects. Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line
Question Workspace Using Access, an employee at JC Consulting tried to delete TaskID CODE01 from the TaskMasterList table and received the following error message: "The record cannot be deleted or changed because table 'ProjectLineItemsincludes related records."Why did the employee receive this error message?
5. Create a trigger on WORKS_ON, if a new tuple with Hours=NULL is inserted, set the Hours to 0. 6. Create a table with attributes SSN, dependent_name and ChangeTimeStamp, whenever a new tuple is inserted into DEPENDENT table, record the operation using a trigger. 7. Create a trigger on CLIENT, whenever a tuple is deleted, delete all the tuples in PROJECT table and WORKS_ON table with the same Pno as the deleted tuple from CLIENT. 8. Create a trigger on EMPLOYEE, whenever a new employee is inserted, if the employee has salary higher than his/her supervisor, set the employee's salary to NULL.
Using a document at your own school (for example, a class schedule), determine the attributes present in the document. Using your knowledge of the policies at your school, determine the functional dependencies present in the document. Use these dependencies to create a set of tables and columns that you could use to produce the document.
Question: Determine for each update anomaly whether or not the relation Abnormal_Rel is susceptible to that anomaly. Support your determination with adequate explanation and a small example. Abnormal_Rel( ProductID, BrachID, campaignID, MemberID, ProductType, PackageType, YearProduced, Price, Brand, StockLevel, CampaignStartDate, CampaignEndDate, FirstName, LastName, eMail, MembershipLevel, MemberExpDate, Discount )
write a trigger that will be activated after a DELETE activity. The trigger will INSERT all deleted data to a backup table having same attributes as original table
Consider the scenario described by the following statement: “Kangaroos, wombats and koalas are all kinds of marsupials.” a.) Model this statement using the crow’s foot modelling technique. Create your diagram in draw.io (or equivalent), save it as either a JPG or PNG file format, and upload your image using the "Files" area below. b.) Write the SQL code to create the Tables from the entities you modelled in the previous part. Write your code in the text area (above the "Files" area).
What can be done to cut down on the amount of extra work that comes with page table shadowing?
For the database relations defined in the attachments, write a tuple-based CHECK constraints so that: -> No ship can be in battle before it is launched. Since the Battles table only has the BATTLE name (and not the SHIP name), the Outcomes and Ships table will need to be used. Other websites found the wrong answer so don't copy them. Thank you
Create a table, identifying interface/attribute based on the block diagram above

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