女性患者，因患胰腺癌入院，经中心静脉导管接受胃肠外营养支持，护士的导管护理措施中正确的是（） 每周一次消毒穿刺部位。 可经中心静脉途径给予抗生素。 可经中心静脉途径输血。 可经中心静脉导管抽血。 输液结束后要用肝素稀释液封管。
You have created an Oracle 10g database named SALES， which will be used by an application named SalesOrders. Users of the SalesOrders application complain that application response time is slow when they generate reports. The SalesOrders application accesses a table that contains 10 million rows. You decide to create an index on this table using the NOLOGGING option so that the index creation process is completed in the least amount of time. Which of the following is NOT true about an index created with the NOLOGGING option？（） The index can be changed from NOLOGGING to LOGGING。 The index cannot be recovered even in the ARCHIVELOG mode.。 The index can only be created if the base table is created with the NOLOGGING option.。 The index can be recovered if you perform a backup after the CREATE INDEX statement.。
（）无固定形状，具有流动性，体积大致一定。 固体。 液体。 气体。
Because of a power outage， instance failure has occurred. From what point in the redo log does recovery begin and where does it end？ （） current redo log and inactive redo log。 checkpoint position to end of redo log。 beginning of redo log to end of redo log。 all redo logs before the point of last commit。 beginning of redo log to checkpoint positio。
Which statement is true regarding this setting?（） It drops the connection after the specified number of login attempts fail for any user.。 It is enforced only if the password profile is enabled for the user. 。 It locks the user account after the specified number of attempts. 。 It drops the connection after the specified number of login attempts fail only for users who have the SYSDBA privilege.。
The /export/home file system is running out of space on c0t0d0s7. You added a new disk to the system and it is named c1t1d0. You need to move the /export/home file system to slice 7 on the new disk.
Which command is used to move the data from /export/home to the new disk after booting the server to the single-user milestone？ （）
