Question 161

Which two statements are true about the rules of precedence for operators? (Choose two.)
  • Question 162

    View the Exhibit and examine the structure of the PRODUCT_INFORMATION table. (Choose the best answer.)

    PRODUCT_ID column is the primary key.
    You create an index using this command:
    SQL > CREATE INDEX upper_name_idx
    ON product_information(UPPER(product_name));
    No other indexes exist on the PRODUCT_INFORMATION table.
    Which query would use the UPPER_NAME_IDX index?
  • Question 163

    Examine the structure of the BOOKS_TRANSACTIONS table:
    Examine the SQL statement:
    Which statement is true about the outcome?
  • Question 164

    What is true about non-equijoin statement performance?
  • Question 165

    Which two statements are true about INTERVAL data types?