Answers for "import sql file through command prompt"

import sql from terminal

mysql -u <username> -p <databasename> < <filename.sql>

mysql import from sql file

mysql -u username -p database_name < file.sql
; OR
 mysql> use db_name;
 mysql> source file_name.sql;

import sql via command line

mysql> use db_name;

mysql> SET autocommit=0 ; source the_sql_file.sql ; COMMIT ;