root@hett-virtual-machine:~# su -s /bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf \ --config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutronNo handlers could be found for logger "oslo_config.cfg"…
对于SQL的执行计划,一般尽量避免TABLE ACCESS FULL的出现,那怎样去定位,系统里面哪些SQL脚本存在TABLE ACCESS FULL行为,对于9i及以后版本,使用以下语句即可 select * from v$sql_plan v where v.operation = 'TABLE ACCESS' and v.OPTIONS = 'FULL' and v.OBJECT_OWNER='MS';--指定用户下 查询得到SQL_ID,以及ADDRESS,HASH_VALUE…
最近执行pyspark时,直接读取hive里面的数据,经常遇到几个问题: 1. java.io.IOException: Not a file —— 然而事实上文件是存在的,是 hdfs 的默认路径出了错,需要配置 --files 和 --conf. 2. pyspark.sql.utils.AnalysisException: 'Table or view not found —— 事实上在hive里面是存在这个表的,但是却显示找不到. 3. org.apache.spark.sql.cat…
Temporary Tables and the TableType Property [AX 2012] 1 out of 1 rated this helpful - Rate this topic Updated: November 5, 2013 Applies To: Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012 从 Microsoft…
8.4.4 How MySQL Uses Internal Temporary Tables 这是MySQL手册中的一节,尝试补充了一些解释.用的版本是MySQL5.6.15社区版 In some cases, the server creates internal temporary tables while processing queries. Such a table can be held in memory and processed by the MEMORY storage en…