6941
Q486819
Answer according to the text.
6942
Q486818
Answer according to the text.
Is Amazon.com ready to sent all kind of products to all countries around the world?
6943
Q486817
Answer according to the text.
Does Jeff Bezos always buy book on the Web?
6944
Q486782
Based on the text above, judge the following items.
Computer systems analysts need specific training.
6945
Q486780
Based on the text above, judge the following items.
Systems analysts may create new systems including not only hardware but also software.
6946
Q486778
From the sentence "SQL acts as a declarative language": (first paragraph), one can deduce that
I. it is a nonprocedural language.
II. it results in many lines of code.
III. users concentrate on defining the input and output.
Which of them is correct?
6947
Q486776
According to the text, one can say that
6948
Q486774
In order to return the database to some previous state, I use the command ________. Choose the right alterna-tive to complete the blank in the sentence.
6949
Q486772
Match the first column to the second column.
( ) SELECT
( ) Transaction
( ) UPDATE
( ) GROUP BY
1. Used to wrap around the DML operations
2. The FROM clause is followed by a JOIN clause
3. Used for data retrieval
4. Used for data manipulation
5. Used to group the retrieved data
The correct sequence, from the top to the bottom is
6950
Q486770
The text is not about?