You executed the following command to create a tablespace called SALES_DATA： > CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace （） The database automatically determines the extent-sizing policy for the tablespace.。 The segments are automatically shrunk when the contents are removed from them.。 The allocation of extents within the tablespace is managed through the dictionary tables.。 The space utilization description of the data blocks in segments is recorded inbitmapblocks.。 The space utilization description of the data blocks in segments is managed through free lists.MANUAL。
You need to display the last names of those employees who have the letter “A” as the second character in their names.Which SQL statement displays the required results?（） SELECT last_name FROM EMP WHERE last_name LIKE ‘_A%’;。 SELECT last_name FROM EMP WHERE last name =’*A%’。 SELECT last_name FROM EMP WHERE last name =’_A%’;。 SELECT last_name FROM EMP WHERE last name LIKE ‘*A%&rsquo。
开标前的招标投标监察工作内容不包括（） 对招标文件的监察对。 对设计人的监察。 对资格审查的监察。 对标底编制的监察。
决策理论学派的代表人物是（） 韦伯。 孔茨。 巴纳德。 西蒙。
What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?（） CONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA 。 CONFIGURE DEFAULT DEVICE TYPE TO TAPE 。 CONFIGURE DEFAULT DEVICE TYPE TO SBT 。 CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE。
李某，23岁。不慎从高处摔下，致呼吸、心跳停止，需立即初期复苏，开放气道的措施应选择（）
