could not execute statement; SQL [n/a]; constraint [null] (多對多表報錯不能執行SQL語句)
多表刪除報錯: org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [ ...
多表刪除報錯: org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [ ...
1....springBoot運行報錯: ycom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'fl ...
1.....查看端口號被誰(進程)占用 ----》win + R 鍵配合打開 dos 命令輸入窗口 ----》鍵入命令:netstat -ano | findstr "端口號" ...