Mysql import and export data structures and Data

Mysql data import and export structure and data method 1: mysqldump-ukevin-P3306 -- default-character-set = utf8-p-h10.1.15.123 activity sign_in_user> user. the SQL export result contains the table creation script and data that has been inserted. SQL format. Import Data mysql> use activity; mysql> source user. SQL; Method 2: mysql-uactivity-P3306 -- default-character-set = utf8-p-h10.2.8.13-e "select user_id, mac, phone from activity. sign_in_user "> user. SQL exports columns that store data content. Does not contain the table structure imported data load data infile "/root/user. SQL "into table activity. sign_in_user; if you run the preceding import, ERROR 13 (HY000): Can't get stat of '/root/user is returned. the reason why SQL '(Errcode: 13) uses the/tmp directory is that mysql uses/tmp as the temporary read/write directory by default. load data infile "/tmp/user. SQL "into table activity. sign_in_user; Query OK, 25 rows affected, 5 warnings (0.00 sec) Records: 25 Deleted: 0 Skipped: 0 Warnings: 2