通过表名和字段名查询字段类型
今天遇到了一个问题，就是要通过表名和字段名获取该字段的字段类型。网上找了好多方法，都不成功（本人的数据库方面的知识比较匮乏 ）。后来，终于找到一个正确的语句，特此记录。 select data_type from user_tab_columns where table_name =表名 and colum
今天遇到了一个问题，就是要通过表名和字段名获取该字段的字段类型。网上找了好多方法，都不成功（本人的数据库方面的知识比较匮乏
）。后来，终于找到一个正确的语句，特此记录。
select data_type from user_tab_columns where table_name ='表名' and column_name ='字段名'
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