You lost the PRODSTD tablespace， which was read-only. The tablespace was read-only when the last backup was taken. How would you recover the tablespace？（） restore the tablespace from the backup， and then perform an incomplete recovery。 restore the tablespace from the backup， and then apply all the redo information。 restore all the data files in the database， and then perform an incomplete recovery。 restore the tablespace from the backu。
严禁天线与7/8”、5/4”馈线直接相连，应先与（）跳线连接，再连接7/8”、5/4”馈线。 7/8。 5/4。 1/2。 3/4。
From SQL*Plus, you issue this SELECT statement: SELECT* FROM order; You use this statement to retrieve data from a data table for （）. Updating。 Viewing。 Deleting。 Inserting。 Truncating。
Which two statements are true about The result if the default locale is Locale.US？（） The value of b is 2.。 The value of a is 3.14.。 The value of b is 2.00.。 The value of a is 3.141.。 The value of a is 3.1415.。 The value of a is 3.1416.。 The value of b is 2.0000.。
浇筑式沥青混凝土工程造价指标离散性较大的原因是：没有制定浇筑式沥青混凝土设计、施工的行业标准，目前还未编制统一的预算定额
What two statements are true regarding the recommendations received from the SQL Access Advisor？（）
