假如我有一个仓库叫 ** test ** ,里面有n个表,其中包含一个表cp_test:
mysqldump -ubackup -p --master-data=2 --single-transaction --routines --triggers --events test > back_test_202007031649.sql
CREATE TABLE IF NOT EXISTS count_num (
id INT auto_increment NOT NULL,
cno VARCHAR(4),
all_num int(11),
PRIMARY KEY(id)
) ENGINE=INNODB, CHARSET="utf8";
INSERT into count_num(cno, all_num) SELECT cno, sum(num) FROM cp_test GROUP BY cno;
mysql -uroot -p test < back_test_202007031649.sql