I believe the answer is Application.
I hope this helps!
Answer:
Number 1 would be the answer and most safest one to choose.
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);
You have to put some info about your sport in the blue area. In the bracketed area.
Answer:
while(inputFile.hasNext()) { //some code here }
Explanation:
Even though you did not provide the options, here is how it should look like.
It is known in the question that there is an object called <em>inputFile. </em>To be able to read all the data from a file in Java, you need to use <em>hasNext()</em> function with the object. inputFile.hasNext() enables you to read the data in a file.
while(inputFile.hasNext()) { } enables you to loop through the file while it has something to read in a file.