Create a trigger named trg_cust_balance that automatically updates the CUSTOMER table’s CUS_BALANCE when a new CHARTER row is added. Use the CHARTER table’s CHAR_TOT_CHG as the update source. (Assume that all charter charges are charged to the customer balance.)

For this problem create a (temporary) table called instructor_course_nums. Write a procedure that accepts an instructor ID as input. The procedure calculates the total number of course sections taught by that instructor, and adds a tuple to the temporary table consisting of the instructors ID number, name, and total courses taught - call these attributes: ID, name, and tot_courses. If the instructor already has an entry in the table,then the procedure makes sure the total number of courses taught in the temporary table is up-to-date. You must name your procedure: Written in PostgreSQL

I need help with an UPDATE statement that will change the CUST_EMAIL value to "unknown" for records in the CUSTOMERS table that have null values for the cust_email field

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. Task   Alter the RESIDENTS table and change the ID field to an auto-incremented field. 1 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 Yilmaz to the RESIDENTS table. 1 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: PROPERTY_ID OFFICE_NUM ADDRESS SQR_FT BDRMS FLOORS OWNER_NUM 14 1 9 Houston Drive 1,100 2 1 MO100 15 1 11 Village Drive 1,300 3 1…

Task 3: The InstantRide Finance team wants to collect the price and discount information with the driver names for each travel in the system. You need to return the TRAVEL_ID, DRIVER_FIRST_NAME, DRIVER_LAST_NAME, TRAVEL_PRICE, and TRAVEL_DISCOUNT information from the TRAVELS and DRIVERS tables combined over DRIVER_ID field with the ON keyword. Task: Calculate each user's price and discount information. (SQL Database Test)

Insert at least three rows into your EMPLOYEE_xx table. Use the next value of the sequence you created , EMPL_SEQUENCE_xx  as the value for the employee ID for every row inserted.   You may choose values for the other columns   Test your constraint on the rate column by trying to update a row in the EMPLOYEE_xx table with the value of 6 used for the Pay Rate (you choose the row).   Drop your EMPLOYEE_xx table and make sure it HAS been purged from the recyclebin

create tables appointments having columns appointment id as primary key, appointment time, appointment date, doctor id doctors having doctor id as primary key, doctor name providers having provider id as primary key, provider first name, last name, username, password, office code. Now create a provider first name as Lilly , Last name as Brooks, username as Lily_777, password as Brooks_666. Validate on the database also show me the appointments with Dr.Alex at 10.30A.M

Hi triggers Update and using Xampp and this table: CREATE TABLE MEMBER(STUDENT_ID CHAR(6) NOT NULL,CLUB_CODE VARCHAR(4) NOT NULL,MEMBER_DATE DATE NOT NULL,MEMBER_POSITION VARCHAR(15) NOT NULL,MEMBER_ATTENDANCE CHAR(2) NOT NULL,PRIMARY KEY (STUDENT_ID,CLUB_CODE),FOREIGN KEY (STUDENT_ID) REFERENCES STUDENT (STUDENT_ID) ON DELETE RESTRICT ON UPDATE CASCADE,FOREIGN KEY (CLUB_CODE) REFERENCES CLUB (CLUB_CODE) ON DELETE RESTRICT ON UPDATE CASCADE); INSERT INTO MEMBER VALUES('100027','C201','2020-03-25','Secretary','12'),('100027','C202','2020-04-11','Member','11'),('100032','C201','2020-02-23','President','12'),('100050','C201','2020-03-25','Member','10'),('100132','C202','2020-04-11','Treasurer','10'),('100074','C203','2020-04-09','President','12'),('100074','C204','2020-04-25','Treasurer','12'),('100051','C204','2020-04-25','Member','9'),('100064','C207','2020-04-25','Vice…