数据泵

SELECTemid,dt,CASEWHEN dt - LAG(dt, 1, dt) OVER (PARTITION BY emid ORDER BY dt) = 1THEN DENSE_RANK() OVER (PARTITION BY emid ORDER BY dt)ELSE ROW_NUMBER() OVER (PARTITION BY emid ORDER BY dt)END AS se

Elasticsearch提供了慢查询日志，你可以通过配置elasticsearch.yml文件中的参数来启用。在elasticsearch.yml中添加以下配置：index.search.slowlog.threshold.query.warn: 10s index.search.slowlog.threshold.query.info: 5s index.search.slowlog.thre

这个问题可能意味着undo表空间被损坏 可能需要重建undo表空间