1. checkout_date and dvd_ID coulmns should be combined together as a composite primary key of the rental table, and rest columns are NOT NULL constraints except the checkin_date column (it might hold NULL values). 2. Rental table is a child table, and the member_id column is a foreign key column which references member table’s member_id primary key column. 3. Rental table is a child table, and the dvd_id column is a foreign key column which references dvd table’s dvd_id primary key column.

Task 6: The Car Maintenance team considered that the available maintenance tasks should also have the price information in the database. Alter the MAINTENANCE_TYPES table to include a new column named MAINTENANCE_PRICE of type FLOAT.   ANSWER IN MYSQL PLEASE

Create a table in SQL developer and name it as ‘MyCrush’. The table should consists of only three attributes as follows: Crush_ID which will be the primary key with the number length of .Crush_Name with the maximum character length of 30.Crush_Description with the maximum character length of 10.Insert exactly three records with the above given attributes. Crush_ID values should be 1, 2 and 3 for the three records. Crush_Description should be ‘Present’ for record 1, ‘Past’ for record 2 and ‘Childhood’ for record 3. If you don’t have any crush from your childhood to present, you can insert some random names. Hmm.. Seems Interesting!! It’s time to implement your programming skills using PL/SQL stored procedures and functions. Create another table called ‘MyDetails’ and should contain exactly four attributes as below: Student_ID,Student_Name ,Student_Term ,Student_GPA If you are not a Master’s student, let’s assume you are a student pursuing masters and taking four semesters or terms.…

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