你好，
我想创建一个新列，然后再这样做：
询问数据表该列是否已经存在。
是否有一种“最佳”方式可以安全地与公司其他同事共享代码？
https://community.jmp.com/t5/Discussions/Check-column-name-if-existing/mp/312011/highlight/true#M56504
https://community.jmp.com/t5/Discussions/How-to-check-if-list-of-columns-exist-and-report-those-that-are/td-p/515287
https://community.jmp.com/t5/Discussions/If-column-exists/td-p/348
https://community.jmp.com/t5/Discussions/how-to-creat-new-column-if-same-name-column-does-not-exist/td-p/8560
https://community.jmp.com/t5/Discussions/Create-a-new-Row-column-only-if-it-does-not-exist/td-p/309172
https://community.jmp.com/t5/Discussions/Determining-if-a-column-exists/mp/6268#M6267
https://community.jmp.com/t5/Discussions/Validate-column-name-exists-before-graphing/mp/5088#M5087
