import 5.7 sql file into 5.5 code example
Example 1: insert mysql ifile nto database
mysql -u username -p database_name < file.sql
Example 2: mysql load sql from file
mysql> use db_name;
mysql> source file_name.sql;
mysql -u username -p database_name < file.sql
mysql> use db_name;
mysql> source file_name.sql;