Answer:
Vertical exchanges are typically used only to buy and sell materials required for an organization's support activities- False
Answer:
Hi!
The correct answer is B.
Explanation:
This sentence SELECT * FROM customers JOIN orders ON (customer#) selects all the columns of both customers and orders and joins by the name of the column customer.
A and B options have syntactic problems:
- A and C: Same alias name for multiple tables.
- A and C: Selected columns are ambiguous.
- C: refers to an alias not declared on the FROM sentence.
a) SELECT c.customer#, order#, orderdate, shipdate(omits aliases) FROM customers c NATURAL JOIN orders c(same aliases definiton);
c) SELECT c.customer#, order#, orderdate, shipdate(omits aliases) FROM customers c, orders c(same aliases definiton) WHERE c.customer# = o.customer#(o not declared);
Answer:
The fact that most companies today are tech companies is not an obstacle for people studying in business schools.
Thus, despite the fact that today's large companies, such as Microsoft, Tesla, Apple or Amazon dedicate themselves almost exclusively, or have their business base, to technology, a group of suitable professionals will always be necessary in the field of technology. economic and financial management of these companies, to avoid that they incur in bad business, bad investments, errors in the payment of taxes or problems of the same tenor.
Answer:
I think the second question is C.
Explanation:
I am still trying to think what's the answer to the first question.
