Examine the structure proposed for the TRANSACTIONStable:

Which two statements are true regarding the storage of data in the above table structure? (Choose two.)

Examine the data in the CUST_NAMEcolumn of the CUSTOMERStable.
CUST_NAME
-------------------
Renske Ladwig
Jason Mallin
Samuel McCain
Allan MCEwen
Irene Mikkilineni
Julia Nayer
You need to display customers' second names where the second name starts with "Mc" or "MC".
Which query gives the required output?

Which three are true about dropping columns from a table?

Examine the commands used to create DEPARTMENT_DETAILS and
COURSE_DETAILS:

You want to generate a report that shows all course IDs irrespective of whether they have corresponding department IDs or not but no department IDs if they do not have any courses.
Which SQL statement must you use?

View the Exhibit and examine the structure in the DEPARTMENTS tables. (Choose two.) Examine this SQL statement:
SELECT department_id "DEPT_ID", department_name, 'b' FROM
departments
WHERE departments_id=90
UNION
SELECT department_id, department_name DEPT_NAME, 'a' FROM
departments
WHERE department_id=10
Which two ORDER BY clauses can be used to sort output?