MySQL数据库导入导出数据之报错解答实例讲解
导出数据
报错
SHOWVARIABLESLIKE"secure_file_priv"; 查看默认导出目录
mysql>SELECT*FROMstudentINTOOUTFILE"G:\ProgramData\MySQL\MySQLServer8.0\Uploads\student.txt"; ERROR1290(HY000):TheMySQLserverisrunningwiththe--secure-file-privoptionsoitcannotexecutethisstatement
解决方法
SELECT*FROMstudentINTOOUTFILE"G:/ProgramData/MySQL/MySQLServer8.0/Uploads/student.txt"; QueryOK,2rowsaffected(0.02sec)
导入数据
报错
mysql>loaddatalocalinfile'G:/ProgramData/MySQL/MySQLServer8.0/Uploads/student.txt' ->intotablestudent(a,b,c); ERROR3948(42000):Loadinglocaldataisdisabled;thismustbeenabledonboththeclientandserversides
解决方法
mysql>SHOWGLOBALVARIABLESLIKE'local_infile'; +---------------+-------+ |Variable_name|Value| +---------------+-------+ |local_infile|OFF| +---------------+-------+ 1rowinset,1warning(0.01sec) mysql>SETGLOBALlocal_infile=true; QueryOK,0rowsaffected(0.00sec) mysql>SHOWGLOBALVARIABLESLIKE'local_infile'; +---------------+-------+ |Variable_name|Value| +---------------+-------+ |local_infile|ON| +---------------+-------+ 1rowinset,1warning(0.01sec)
报错
mysql>loaddatalocalinfile'G:\ProgramData\MySQL\MySQLServer8.0\Uploads\student.txt' ->intotablestudent(id,name,score); ERROR2068(HY000):LOADDATALOCALINFILEfilerequestrejectedduetorestrictionsonaccess.
解决方法
C:\Users>mysql-uroot-p--local-infile 使用这种方法登录
报错
mysql>loaddatalocalinfile'G:\ProgramData\MySQL\MySQLServer8.0\Uploads\student.txt' ->intotablestudent(id,name,score); ERROR2(HY000):File'G:ProgramDataMySQLMySQLServer8.0Uploadsstudent.txt'notfound(OSerrno2-Nosuchfileordirectory)
解决方法
mysql>loaddatalocalinfile'G://ProgramData/MySQL/MySQLServer8.0/Uploads/student.txt' ->intotablestudent(id,name,score); QueryOK,8rowsaffected,2warnings(0.01sec) Records:10Deleted:0Skipped:2Warnings:2
结果展示
mysql>select*fromstudent; +------+------+-------+ |id|name|score| +------+------+-------+ |1|zs|100.0| |2|zlh|100.0| |3|cyx|99.1| |4|xjj|90.0| |5|aa|100.0| |6|alk|20.1| |7|zml|11.1| |8|djh|98.0| |9|cc|100.0| |10|pp|20.0| +------+------+-------+ 10rowsinset(0.00sec)
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