1. 查詢某個數據庫中某個表的所有列名
SELECT COLUMN_NAME FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = 'db_name' AND TABLE_NAME = 'tb_name';
2. 查詢某個數據庫中某個表的所有列名,並用逗號連接
SELECT GROUP_CONCAT(COLUMN_NAME SEPARATOR ",") FROM information_schema.COLUMNS
WHERE TABLE_SCHEMA = 'db_name' AND TABLE_NAME = 'tb_name';
如果不需要指定列 可以追加 and COLUMN_NAME != ‘id’
3. 數據庫快速備份指定列
insert tb_name_1
${第二步查出來的列}
SELECT
${第二步查出來的列}
from tb_name_2