SELECT
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
SUBSTRING_INDEX(LOAD_FILE(‘C:\\Users\\Loki\\Downloads\\mysql-5.6.17-winx64\\data\\course\\v.frm‘),
‘\nsource=‘,-1),
‘\\_‘,‘\_‘), ‘\\%‘,‘\%‘), ‘\\\\‘,‘\\‘), ‘\\Z‘,‘\Z‘), ‘\\t‘,‘\t‘),
‘\\r‘,‘\r‘), ‘\\n‘,‘
 
\n‘), ‘\\b‘,‘\b‘), ‘\\\"‘,‘\"‘), ‘\\\‘‘,‘\‘‘),
‘\\0‘,‘\0‘)
AS source;

其中load_file()中的地址用

mysql> show global variables like "%datadir%";

可查看

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