文档解释Errornumber:MY-010231;Symbol:ER_XA_RECOVER_EXPLANATION;SQLSTATE:HY000Message:Found%dpreparedtransactions!Itmeansthatmysqldwasnotshutdownproperlylasttimeandc...

explainselect*fromuserexplainextendedselect*fromuser idSELECT识别符。这是SELECT的查询序列号select_typeSELECT类型,可以为以下任何一种:SIMPLE:简单SELECT(不使用UNION或子查询)PRIMARY:最外面的SELEC...