When does the warranty of the XIV Storage System start? ()
A、when the order is placed
B、when the product is shipped
C、when the product is delivered
D、when the product is installed
You work in a data warehouse environment that involves the execution of complex queries. The current content of the SQL cache holds the ideal workload for analysis. You want to analyze only few most resource-intensive statements. What would be your suggestion to receive recommendations on the efficient use of indexes and materialized views to improve query performance?()
A、Run the SQL Access Advisor.
B、Run the SQL Tuning Advisor (STA).
C、Run the Automatic Workload Repository (AWR) report.
D、Run the Automatic Database Diagnostic Monitor (ADDM).
消毒后的内镜合格标准为细菌总数()
A、≤10cfu/件
B、≤20cfu/件
C、≤30cfu/件
D、≤100cfu/件
E、≤200cfu/件
You are in the middle of a transaction and very crucial data has been modified. Because of a hardware failure, the instance has shut down before synchronizing all the database files. Which two statements are true?()
AOn startup, SMON coordinates instance recovery.
BOn startup, CKPT coordinates instance recovery.
COn startup, use RMAN to perform instance recovery.
DUncommitted changes will be rolled back after the database is opened.
EOn startup, perform media recovery and then instance recovery.
FOn startup, all the files will be synchronized and you get both committed and uncommitted data.
艾滋病诊疗操作不正确的是()
A、皮肤发生破损,进行有可能接触患者血液、体液操作时必须戴双层手套
B、进行有可能接触患者血液、体液的、操作时必须戴手套
C、摘手套后立即洗手
D、使用后的锐器应当直接放入耐刺、防渗漏的利器盒
E、使用后的一次性针头重新套上针头套
Which three statements are true regarding the logical structure of the Oracle database?()
AEach segment contains one or more extents.
BMultiple tablespaces can share single data file.
CA data block is the smallest unit of I/O for data files.
DIt is possible to have tablespaces of different block sizes in a database.
EEach data block in the database always corresponds to one OS block.