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Stock版 - 做机问题请教:stock ticker name 转换成 integer ID
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w*s
发帖数: 7227
1
据说用数字做索引,在数据库里比较快。
请问怎么把stock ticker name 转换成 integer ID。
注意有些股票会delist, 会改ticker,又会有新上市的。
怎样一次性地改成ID ?
谢谢!
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