Questões sobre Interpretação de Texto

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?

• A.

  Only I.

• B.

  Only II.

• C.

  Only I and II.

• D.

  Only I and III.

Based on the text above, judge the following items.

Public opinion has always been considered in governmental decisions.

• C. Certo
• E. Errado

According to the text, one can say that

• A.

  the user access the query optimizer directly.

• B.

  queries are submitted to database server, and after passed to the query optimizer where optimization occurs.

• C.

  the user has to specify the procedures needed to produce a result set.

• D.

  the database system changes the left query into an efficient query plan.

Based on the text above, judge the following items.

Opinion surveys are carried out worldwide.

• C. Certo
• E. Errado

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.

• A.

  ORDER BY.

• B.

  COMMIT.

• C.

  SELECT.

• D.

  ROLLBACK.

Based on the text above, judge the following items.

Public opinion can determine the kind of information or propaganda that the government will release.

• C. Certo
• E. Errado

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

• A.

  2 -3 -1 -5

• B.

  1 -2 -3 -4

• C.

  3 -1 -4 -5

• D.

  5 -3 -4 -1

Based on the text, choose the correct option.

• A.

  Three different factors can influence EFL students' needs.

• B.

  Needs among EFL students do not vary that much.

• C.

  Cultural backgrounds have no influence on EFL students' needs.

• D.

  Previous education has no effect on EFL students' needs.

Based on the text above, judge the following items.

Governments have discovered the importance of public opinion surveys.

• C. Certo
• E. Errado

The text is not about?

• A. SQL keywords.
• B.

  DML.

• C.

  Most commonly used DML commands.

• D.

  The difference between declarative and imperative language.