mysql insert same data in all rows code example

Example 1: mysql best way to insert many rows

INSERT INTO table_name(id,colname) values(1,"row 1"),(2, "row 2"),...;

Example 2: how to insert same table data using mysql query

Use INSERT ... SELECT:

insert into your_table (c1, c2, ...)
select c1, c2, ...
from your_table
where id = 1