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PostgreSQL 修改视图的操作
最近发现PostgreSQL(create or replace) 修改视图有很多的限制,不像SQL Server和Oracle那样可以随意修改。 究其原因,是PostgreSQL虽然支持CREATE OR REPLACE VIEW语义,却有着容易让人忽略的重要限制(Oracle没有该限制),其官方文档这样描述: 即:更新视图只能在最后增加 ...
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