A redaction policy was added to the SAL column of the SCOTT.EMP table: All users have their default set of system privileges. For which three situations will data not be redacted?（） SYS sessions, regardless of the roles that are set in the session。 SYSTEM sessions, regardless of the roles that are set in the session。 SCOTT sessions, only if the MGR role is set in the session。 SCOTT sessions, only if the MGR role is granted to SCOTT。 SCOTT sessions, because he is the owner of the table。 SYSTEM session, only if the MGR role is set in the sessio。
简述脊椎动物亚门的进步性特征有哪些。
You create a salary report to display employee salaries grouped by the dept column. You need to change the break order from ascending to descending using the model. How would you reverse the display order of the department? （） Double click the dept column in the group to alter the property palette and change the break out order value. 。 Double click the dept column in the group to open the property palette and change the set break order value. 。 Double click the g_dept group object to change the break order. 。 Click the dept column in the group to change the break order.。
短路点的过渡阻抗对距离保护的影响，一般情况下是（）。 使保护范围延长。 使保护范围缩短。 保护范围不变。
You want to display the titles of books that meet these criteria: 1. Purchased before January 21, 2001 2. Price is less then $500 or greater than $900 You want to sort the results by their data of purchase, starting with the most recently bought book. Which statement should you use?（）
。
。
。
。
You want the size of the tablespace to increase when it is full. Which option would you use？（）
