j*******a 发帖数: 101 | 1 听说存取market data数据库不是用relationship database,请牛人指点一下是用什么
类型的数据库,或给个链接。多谢先! | d**********n 发帖数: 16 | 2 Reference data还是relationship database,
Time series data, KDB
pure tick, l1 or itch/pitch/edgex,a msg 直接indexed binary file. | z****g 发帖数: 1978 | |
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