目录1.数据合并（merge()方法）1.常规合并2.通过索引合并3.对合并数www.devze.com据去重4.多对一的数据合并5.多对多的数据合并2.数据合并（concat()方法）1.相同字段的表首尾相连2.横向表合并（行对齐）3.交叉合并4.
I\'m trying to make sense on the best way to do automatize a series of things in a row in order to deploy a web-app and haven\'t yet came up with a s开发者_开发问答uitable solution. I would like to:
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