Oracle 数据库表结构 Excel 导出

使用 Oracle 图形化工具执行如下 SQL 将结果集导出 CSV 格式，能直接用 Excel 打开

SELECT 
    B.TABLE_NAME AS 表名,
    C.COMMENTS  AS 表说明, 
    B.COLUMN_ID AS 字段序号, 
    B.COLUMN_NAME  AS 字段名, 
    B.DATA_TYPE AS 字段数据类型, 
    B.DATA_LENGTH  AS 数据长度, 
    B.DATA_PRECISION AS 整数位,        
    B.DATA_SCALE  AS 小数位,        
    A.COMMENTS  AS 字段说明   
FROM 
    ALL_COL_COMMENTS A,   --列注释
    ALL_TAB_COLUMNS B, 	  --表中的列
    ALL_TAB_COMMENTS C 	  --表注释
WHERE 
    A.TABLE_NAME IN (SELECT U.TABLE_NAME FROM USER_ALL_TABLES U)    
    AND A.OWNER = B.OWNER    
    AND A.TABLE_NAME = B.TABLE_NAME    
    AND A.COLUMN_NAME = B.COLUMN_NAME    
    AND C.TABLE_NAME = A.TABLE_NAME    
    AND C.OWNER = A.OWNER    
    AND A.OWNER = 'dbname'    --数据库名
ORDER BY A.TABLE_NAME, B.COLUMN_ID;

效果如下，将结果集导出 CSV 格式