curl -O https://raw.githubusercontent.com/ardentperf/dsef/main/sql/dsef.sql psql <dsef.sql 当然你也可以以插件的形式进行安装,此处不再演示。目前DSEF 暂不支持在备库或者只读库中使用。 另外,如果还有 pg_proctab 插件的话,还可以收集操作系统级别的统计信息,比如 CPU/内存/磁盘等等,和 EDB 的 sys...
What is the main function of the CPU? Describe the role of the beacon frames in 802.11. Describe the strategy of minimal customization. (a) Define confidentiality. (b) Describe how they relate to information security. Describe the importance of recursive functions in procedural programming approach...
A software vendor has a good understanding of the features required in the next release of a software product, but the marketing group has set a very aggressive delivery date. Describe the functions provided by a relational database that could be used to record cours...
Which of the following explain(s) why a firm might want to abandon products?所有任课教师课前必须认真( )，按要求撰写教案。( )编写一个教案（特殊情况除外），教学过程中所有教师始终保持( )的备课余量。每学期( )，教科研中心和各系（部）将对教师所授课程的教案进行统一检查和抽查（或进行优...