【clickhouse】clickhouse 临时表
本文共 262 字，大约阅读时间需要 1 分钟。
1. 临时表
ClickHouse也有临时表的概念，创建临时表的方法是在普通表的基础之上添加TEMPORARY关键字,
相比普通表而言，临时表有如下两点特殊之处:- 它的生命周期是会话绑定的，所以它只支持Memory表引擎，如果会话结束，数据表就会被销毁;
- 临时表
不属于任何数据库所以在它的建表语句中，既没有数据库参数也没有表引擎参数 临时表的有优先级大于系统中的表,一般用于集群之间的数据传播的载体
临时包的创建语法如下:
CREATE TEMPORARY TABLE [IF NOT EXISTS] table_ name
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