postgresql如何判断表是否存在
postgresql判断一个表是否存在:
方法一:
select count(*) from pg_class where relname = 'tablename';
方法二:
select count(*) from information_schema.tables where table_schema='public' and table_type='BASE TABLE' and table_name='tablename';
Python学习网,大量的免费PostgreSQL入门教程,欢迎在线学习!
来源:PY学习网:原文地址:https://www.py.cn/article.html