查看表的 comment
(推荐教程:mysql数据库学习教程)
SELECT table_name, table_comment FROM information_schema.tables WHERE table_schema = 'schema_name' AND table_name = 'table_name';
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查看表中 columns 的 comment
SELECT column_name, column_comment FROM information_schema.columns WHERE table_schema = 'schema_name' AND table_name = 'table_name';
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