CREATE {DATABASE|SCHEMA} [IF NOT EXISTS] database_name[COMMENT 'database_comment'][WITH DBPROPERTIES ('property_name' = 'property_value') [, ...]]
DATABASE|SCHEMA:同一个意思,都可以使用。database_name:数据库名称。database_comment:数据库注释。[WITH DBPROPERTIES ('property_name' = 'property_value') [, ...]]:以 key-value 的形式配置数据库参数。db only if database with same name doesn't exist.CREATE DATABASE IF NOT EXISTS db;
db only if database with same name doesn't exist with Comment and Database Properties.CREATE DATABASE dbCOMMENT 'db1_name'WITH DBPROPERTIES('k1' = 'v1','k2' = 'v2');
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