You need to restore some files from a file system. The file system was backed up from a snapshot. Which command will correctly restore these files?() fssnap -i。 fssnap -r。 ufsrestore -i。 snaprestore -i。
男性患者,经鼻胃管进行肠内营养支持,护士的护理措施中正确的是() 若胃内容物残留量为200ml,可继续输注营养液。 输注营养液时应取头部抬高30。的半卧位。 若输注过程中患者突然出现呛咳、呼吸急促或咳出类似营养液的痰,应减慢输注速度。 营养液浓度一般由25%开始逐渐增至50%。 营养液量逐渐增加,3d内达到全量。
The CUSTOMERS table has these columns: Which statement finds the rows in the CUSTOMERS table that do not have a postal code?() SELECT customer_id, customer_name FROM customers WHERE postal_code CONTAINS NULL;。 SELECT customer_id, customer_name FROM customers WHERE postal_code = '________';。 SELECT customer_id, customer_name FROM customers WHERE postal_code IS NULL;。 SELECT customer_id, customer_name FROM customers WHERE postal code IS NVL;。 SELECT customer_id, customer_name FROM customers WHERE postal_code = NULL。
Google不缓存数据的原因是() OFS的文件操作大部门是流式读写。 维护缓存与实际数据之间的一致性太复杂。 不存在大量的重复读写。 数据块服务器上的数据存取使用本地文件系统。
技术创新
评估停建的在建工程,要查明停建的原因,并考虑在建工程的()。