请解释什么是远近效应,WCDMA网络是如何解决远近效应的?
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产生ESBLs细菌感染抗菌药物可经验性使用的药物()。
A. 氨曲南
B. 碳青霉烯类
C. 头孢菌素类
D. 氨基苷类
E. 哌拉西林/他唑巴坦和头孢哌酮/舒巴坦
You work as a database administrator for Certkiller .com. You have set the retention period for Automatic Repository (AWR) statistics to four days and collection interval to 15 minutes. You want to view the statistics collected and stored in AWR snapshot. Which two methods would you use to view the AWR statistics?()
A. use enterprise manager
B. use DBMS_SQL package
C. use DBMS_AWR package
D. use PRVT_WORKLOAD package
E. query the AWR snapshot repository objects
F. use DBMS_WORKLOAD_REPOSITORY package