To show the data from a table in MYSQL database use below query syntax.
select * from openquery(LINKED_SERVE_NAME,'select * from mysqltable')
Example:
select * from openquery(MYSQL,'select * from tbl_name')
To insert sqlserver table data to mysqlserver table, use given query
insert OPENQUERY(LINKED_SERVE_NAME, 'select field_list from MYSQL_TABLE')
select field_list from SQL_TABLE
Example:
insert OPENQUERY(LINKED_SERVE_NAME, 'select name,add,lname from mysql_user')
select f_name,address,l_name from SQL_USER