The MySQL extension allows DuckDB to directly read and write data from a MySQL database instance. The data can be queried directly from the underlying MySQL database. Data can be loaded from MySQL ...
函数 Mysql Sql Server 时间累加 date_add dateadd 获取当前时间(返回 date类型) current_day() convert(date,getdate(),23) 23：时间格式代码 ...
Abstract: The development of information technologies requires the processing of an increasing amount of information. A great number of tools and DBMSs for working with big data have been created.
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