12.(5-12)choose two:Examine the data in the CUSTOMERS table:You want to list all cities that have more than one customer along with the customer details.Evaluate the following query:SQL>SELECT c1.custname, c1.cityFROM Customers c1______Customers c2ON…
11.(5-8) choose the best answer: Examine the structure of the BOOKS_TRANSACTIONS table. You want to update this table such that BOOK_ID is set to 'INVALID' for all rows where no MEMBER_ID has been entered. Examine this partial SQL statement: SQL> UPD…
10.(5-6) choose the best answer:Examine the structure of the EMPLOYEES table:There is a parent/child relationship between EMPLOYEE_ID and MANAGER_ID.You want to display the name, joining date, and manager for all the employees.Newly hired employees a…