Amazon Redshift Database Developer Guide PDFRSS Define primary key and foreign key constraints between tables wherever appropriate. Even though they are informational only, the query optimizer uses those constraints to generate more efficient query plans. ...
=2.1.2,!=2.1.6,>=2.0.1in/usr/local/lib/python3.7/dist-packages(frommatplotlib->hana_ml)(3.0.9)Requirement already satisfied:cycler>=0.10in/usr/local/lib/python3.7/dist-packages(frommatplotlib->hana_ml)(0.11.0)Requirement already satisfied:typing-extensionsin/usr/local/lib/python3.7/dist-pac...
阿里云RDS数据库最大支持2T,目前已经占用了90%,如果进行分库或者迁移比较麻烦,思路是找出占用空间过大的日志或不重要的文件进行删除操作 查询所有数据库占用磁盘空间大小的SQL语句: show... data_length desc; 查询单个库中所有表磁盘占用大小的SQL语句:selectTABLE_NAME, concat(truncate(data_length/1024/1024,2),...