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摘要:1、Oracle 查询表字段长度SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH, CHAR_LENGTH FROM USER_TAB_COLUMNS WHERE TABLE_NAME = '表名大写' AND COLUMN_NAME = 'COL14';--修改 阅读全文
posted @ 2026-03-11 09:43 深海蓝精灵 阅读(26) 评论(0) 推荐(0)