using sql develpper or sql live oralce Create the DONORS table with the following columns: donor_id ( PRIMARY KEY), donor_name (Not Null), donor_age. Then Create DONATIONS table with the following columns: pledge_id (PRIMARY KEY), pledge_date, amount_pledged, amount_paid, Is_paid, donor_id that REFERENCES to DONORS table (donor_id). 2- Populate every relation with three rows. 3- Now, your supervisor has asked you to modify the donor_age column in the DONORS table. He wants the column to be configured to accept a value that must be >=20. Which statement should you issue to accomplish this task?
using sql develpper or sql live oralce Create the DONORS table with the following columns: donor_id ( PRIMARY KEY), donor_name (Not Null), donor_age. Then Create DONATIONS table with the following columns: pledge_id (PRIMARY KEY), pledge_date, amount_pledged, amount_paid, Is_paid, donor_id that REFERENCES to DONORS table (donor_id). 2- Populate every relation with three rows. 3- Now, your supervisor has asked you to modify the donor_age column in the DONORS table. He wants the column to be configured to accept a value that must be >=20. Which statement should you issue to accomplish this task?
Chapter4: Constraints
Section: Chapter Questions
Problem 1HOA
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using sql develpper or sql live oralce
Create the DONORS table with the following columns: donor_id ( PRIMARY KEY), donor_name (Not Null), donor_age. Then Create DONATIONS table with the following columns: pledge_id (PRIMARY KEY), pledge_date, amount_pledged, amount_paid, Is_paid, donor_id that REFERENCES to DONORS table (donor_id).
2- Populate every relation with three rows.
3- Now, your supervisor has asked you to modify the donor_age column in the DONORS table. He wants the column to be configured to accept a value that must be >=20. Which statement should you issue to accomplish this task?
4- Create a Trigger to update Is_paid column to 1 when the amount_paid equal to amount_pledged.
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