快速理清数据库中表之间的关系

得到指定的库对应的全部表名和列名以及他们的注释sql SELECT b.table_name AS "表名称", b.Table_comment AS "表注释", a.column_name AS "字段名称",a.data_type AS '数据类型', a.column_comment AS "字段注释" FROM ( SELECT column_name, Table_name, co

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