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复制表。
复制表并不是数据库中常用的功能,但是可以极大的方便我们测试与运维。其基本功能是在建表时通过select语句,直接创建出一张新的表,新表的结构通过select语句推导出来,数据会直接导入到新表中。
select
示例:
create table create_table_select_t6 as select t1.id, t1.age, t2.name from create_table_select_t1 t1, create_table_select_t2 t2 where t1.id=t2.id;
https://open.oceanbase.com/train/TopicDetails?questionId=600004&subQesitonId=800024&subQuestionName=create-table-select
The text was updated successfully, but these errors were encountered:
create table select 依赖子查询(#19),或者说应该和子查询复用同一代码比较好。同时可能依赖表达式(#6 )
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赛题描述
复制表。
复制表并不是数据库中常用的功能,但是可以极大的方便我们测试与运维。其基本功能是在建表时通过
select
语句,直接创建出一张新的表,新表的结构通过select语句推导出来,数据会直接导入到新表中。示例:
赛题地址
https://open.oceanbase.com/train/TopicDetails?questionId=600004&subQesitonId=800024&subQuestionName=create-table-select
The text was updated successfully, but these errors were encountered: