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mysql列转行例子
mysql行转列例子原创 2022-06-27 13:17:37 · 213 阅读 · 0 评论 -
mysql：Cause: com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large
### Cause: com.mysql.cj.jdbc.exceptions.PacketTooBigException: Packet for query is too large (4,246,837 > 4,194,304). You can change this value on the server by setting the 'max_allowed_packet' variable. ; Packet for query is too large (4,246,837 > 4原创 2020-05-18 10:07:30 · 2474 阅读 · 0 评论