（）主要用于涉及地理空间较大的建设项目，如公路、铁道、管道等“线型”影响项目和区域开发项目。 系统流图法。 层次分析法。 叠加图法。 情景分析法。
Which of the following explains the relationship between a physical and logical partition?（） A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.。 A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.。 A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.。 A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.。
更换旋转编码器都需要什么工具?有哪些更换步骤?
Table TAB1 was created using the following statement: CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT); If column C1 is unique and queries typically access columns C1, C2 and C3 together, which statement(s) will createindex(es) that will provide optimal query performance?（） CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3) 。 CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3) 。 CREATE UNIQUE INDEX xtab1 ON tab1 (c3, c2, c1) 。 CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1, c3)。
间接胆红素下列何项是不正确的（） 离开单核-巨噬系统胆红素，在血液中与血红蛋白结合。 不能从肾脏排出。 凡登白试验呈直接反应。 溶血性贫血时常增加。
Which of the following statements is used to prevent user TOM from adding and deleting data in table TAB1?（）
