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我完全有可能忽略了一些东西,但是在使用 RSQLite 包时,是否仍然可以在 R 脚本中使用特殊字符串“:memory:”来加速数据检索?
是的,仍然可以使用特殊字符串:memory:。查看帮助文件?RSQLite:::dbGetInfo,它有一个很好的例子:
:memory:
?RSQLite:::dbGetInfo
library(RSQLite) data(USArrests) drv <- dbDriver("SQLite") con <- dbConnect(drv, dbname=":memory:")