SELECT table_name, column_name, data_type,data_length
FROM all_tab_cols
WHERE table_name = UPPER('base_line')--表名
--AND column_name = 'ID'; --如果想要指定查询某列
SELECT table_name, column_name, data_type,data_length
FROM all_tab_cols
WHERE table_name = UPPER('base_line')--表名
--AND column_name = 'ID'; --如果想要指定查询某列