1.
How mybatis finds the corresponding mapper.xml and method execution through the interface
http://www.jb51.net/article/116402.htm
2.
ETL tool--DataX3.0 combat
http://blog.51cto.com/daisywei/1903085
3. Alibaba Cloud Documentation
https://help.aliyun.com/video_list/55180.html?spm=a2c4g.11186623.6.741.4ECufg
4. Big Data Incremental Synchronization Implementation Scheme
http://blog.csdn.net/u011941451/article/details/78357147
5.
Graphical difference between inner join, left join, right join, full outer join, union, union all of SQL
http://blog.csdn.net/mangmang2012/article/details/8017034
6. DataX usage guide
http://www.360doc.com/content/17/0930/15/13518188_691365430.shtml
7.
Summary of ETL data cleaning tools
http://blog.csdn.net/xiaoshunzi111/article/details/51881740
8. Features of DataX
https://bbs.aliyun.com/read/275448.html
9.DataX implements timed batch tasks
http://blog.csdn.net/m0_37691745/article/details/79286852
10.
DataX configure scheduled tasks
http://blog.csdn.net/xukongjing1/article/details/72156227
11.
Deployment and installation of DataX
http://blog.csdn.net/program_blackcat/article/details/53391653
12.
DataX User Guide - ODPS to ODPS
https://yq.aliyun.com/articles/71063
13.
Big Data Incremental Synchronization Implementation Scheme
http://blog.csdn.net/u011941451/article/details/78357147
14.
Introduction to DataX
http://blog.csdn.net/burpee/article/details/53734393
15.
Top 10 Intellij IDEA Shortcuts (Turn)
https://www.cnblogs.com/zhangpengshou/p/5445165.html
16. How to view processes, kill processes, start processes and other common commands in Linux
https://www.cnblogs.com/juanbai/p/6493718.html
17. View All Running Processes in Linux
https://www.cnblogs.com/zwgblog/p/5971455.html
lsof command
http://blog.csdn.net/xifeijian/article/details/9088137
18. When Mybatis returns the Map, if the value is empty, the key will not be added to the map.
http://blog.csdn.net/w405722907/article/details/78549913
When MyBatis query returns Map, the field whose value is set to null is also in the result set
http://blog.csdn.net/massivestars/article/details/53064158
Java: Can keys and values in Map be nullable?
http://blog.csdn.net/ceovip/article/details/52963285
19. The use of DATE_SUB in Mysql is combined with querying information examples within one day, one week, and one month
http://www.jxbh.cn/newshow.asp?id=1347&tag=2
mysql query data from yesterday, one week, one month and one year ago
http://www.jb51.net/article/50509.htm
20. How to solve the problem of SQL Server database occupying memory in detail??
https://zhidao.baidu.com/question/1109906061908060459.html
Under what circumstances will the database occupy a large amount of memory and cause the final overflow?
https://zhidao.baidu.com/question/540307707.html
21. Implementation principle of database Join
https://www.cnblogs.com/live-and-learn077/p/5670764.html
22. Kettle basic concept learning
https://www.cnblogs.com/hapjin/p/4578738.html
Kettle Manual (8) - Circulation
https://baijiahao.baidu.com/s?id=1563615589116923&wfr=spider&for=pc
Implementation of Kettle Job Step Loop Execution
http://blog.csdn.net/jdk2006/article/details/13019093
Timing tasks with parameter passing in kettle
https://www.cnblogs.com/OliverQin/p/5857734.html
Implementation of Kettle Job Step Loop Execution
http://blog.csdn.net/jdk2006/article/details/13019093
Java calls kettle to pass parameter instances to job (task) and transformation (transformation)
http://blog.csdn.net/dirful/article/details/42026545
Timing tasks with parameter passing in kettle
https://www.cnblogs.com/kongxc/p/6256924.html
Introduction to Kettle Variable Parameter Passing
http://blog.csdn.net/rotkang/article/details/21008271
23.