OceanBase 支持回收站功能,通过回收站可以闪回已删除的表。默认回收站是开启的,回收站是否开启由租户变量 recyclebin 控制。 开启/关闭回收站的语法是: set global recyclebin = ON | OFF ; 修改回收站的开启状态后,只对后续新连接会话生效。 示例:闪回被删除的表。 obclie...
GraphQL Field Collection Clone the code (optional) Problem Ent Solution Example GraphQL Field Collection In this section, we continue our GraphQL example by explaining how ...
GraphQL Field Collection Clone the code (optional) Problem Ent Solution Example GraphQL Field Collection In this section, we continue our GraphQL example by explaining how ...
JSON Functions JSON_EXTRACT() JSON_QUOTE() JSON_UNQUOTE() JSON Functions MatrixOne supports the following JSON functions: Name Description JSON_EXTRACT() Return data from...
Explain Statements in the MPP Mode MPP query fragments and MPP tasks Exchange operators EXPLAIN ANALYZE statements in the MPP mode MPP version and exchange data compression ...