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1 In order to find out how many database objects a user has created, which view would the DBA query in the Oracle data dictionary? （）

2 Your application regularly issues the following statement: SELECT * FROM BANK_ACCT WHERE ACCT_BALANCE BETWEEN 1000 and 10000; Which of the following database objects would be inappropriate for use with this statement?（）

3 Flushing dirty buffers out of the buffer cache is influenced to the greatest extent by which of the following process?（）

4 During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?（）

5 You are about to create your Oracle data dictionary for use with the database. Which of the following users would you connect to the database as for this purpose in Oracle9i and later releases?（）

Oracle認(rèn)證考試1Z0-031單項(xiàng)選擇題每日一練(2019.01.06)