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
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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…reate 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.ioAssignment #3 Create a row level trigger which insert a tuple into the enrollments_audit (student-id, name, courseno, sectionno, semester, year, grade) table whenever a record is added to the enrollment and students table. Draw an ERD diagram for the above tables with appropriate entities, attributes, constraints, participants, relationships using any online tool such as draw.io
- Task 9:The StayWell property management team wants to add two additional properties and run some simulation tests relating to market coverage. Add the following properties to the PROPERTY table: However, the team does not want this data in the database once they complete their operations. You need to create a transaction with the changes rolled back.Task 6: The StayWell marketing team wants to send mail to all residents. You need to return the first name and surname of all the residents combined as NAME, with their addresses named ADDRESS. However, the address should be retrieved from the PROPERTY table for residents. Task Retrieve the mailing address (first name, surname, and address) for each resident. Task 7: The development team wants to add new residents and new service requests to StayWell without checking the latest IDs and manually incrementing it. Therefore, you need to alter the RESIDENTS table and change the RESIDENT_ID field to an auto-incremented field of type SMALLINT. Alter the RESIDENTS table and change the ID field to an auto-incremented field. Task 8: The Colombia City office of StayWell indicated that there is a new tenant by the name of Yigit Yilmaz staying at the property with an ID of 13. You need to include this new resident in the RESIDENTS table. Task Add Yigit…True or False Rather than showing multiple rows at once, a Details view lets the user see one row at a time.
- The development team wants to add new residents and new service requests to StayWell without checking the latest IDs and manually incrementing it. Therefore, you need to alter the RESIDENTS table and change the RESIDENT_ID field to an auto-incremented field of type SMALLINT.A social media application stored information about each registered user in the table create table user (id int primary key auto_increment, name varchar(100) not null) A user can have many "friends" and can also be a "friend" to many other users. Specify how this relationship would be implemented by coding the create table statement(s) for the tables.I need help with this problem. It says: What would the WHERE clause look like in a SELECT query that selects fields from the TaskMasterList, ProjectLineItems, and Projects tables? Can someone help me?
- The StayWell maintenance team wants to minimize the number of planned visits to properties. The team wants to learn all the properties that have different planned service dates. You need to return all available data in the SERVICE_REQUEST table, where requests are made for the same property with a different NEXT_SERVICE_DATE. Task Return a list of all properties where service requests are made with different NEXT_SERVICE_DATE values.Task 3: The Driver Relationship team wants to create some workshops and increase communication with the active drivers in InstantRide. Therefore, they requested a new database table to store the driver details of the drivers that have had at least one ride in the system. Create a new table, ACTIVE_DRIVERS, from the DRIVERS and TRAVELS tables which contains the following fields: DRIVER_ID CHAR(5) (Primary key) DRIVER_FIRST_NAME VARCHAR(20) DRIVER_LAST_NAME VARCHAR(20) DRIVER_DRIVING_LICENSE_ID VARCHAR(10) DRIVER_DRIVING_LICENSE_CHECKED BOOL DRIVER_RATING DECIMAL(2,1)Q2:Write a row-level trigger that executes before updating a project's location in the project table. The trigger changes the department number of the project to 4 if the location is in 'Stafford'.