View the exhibit for the structure of the STUDENTand FACULTYtables.
STUDENT
Name Null? Type
------------------ ------------------- -------------
STUDENT_ID NOT NULL NUMBER(2)
STUDENT_NAME VARCHAR2(20)
FACULTY_ID VARCHAR2(2)
LOCATION_ID NUMBER(2)
FACULTY
Name Null? Type
- ----------------- ------------------- -------------
FACULTY_ID NOT NULL NUMBER(2)
FACULTY_NAME VARCHAR2(20)
LOCATION_ID NUMBER(2)
You need to display the faculty name followed by the number of students handled by the faculty at the base location.
Examine the following two SQL statements:
Statement 1
SQL>SELECT faculty_name, COUNT(student_id)
FROM student JOIN faculty
USING (faculty_id, location_id)
GROUP BY faculty_name;
Statement 2
SQL>SELECT faculty_name, COUNT(student_id)
FROM student NATURAL JOIN faculty
GROUP BY faculty_name;
Which statement is true regarding the outcome?

Evaluate the following SQL statement:

Which statement is true regarding the outcome of the above query?

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:

Which condition must be used in the WHERE clause to perform the required update?

Examine the description of the CUSTOMERS table:

You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit is below 1000.
Examine this partial query:

Which two WHERE conditions give the required result?

Examine the description of the CUSTOMERS table:

CUSTNO is the PRIMARY KEY.
You must determine if any customers' details have been entered more than once using a different CUSTNO, by listing all duplicate names.
Which two methods can you use to get the required result?