Question

This might sound a bit confusing at first. But I have a table with data and I want to create duplicates of all the rows in this table. So, if i do:

SELECT *
FROM the_table

it lists all the data in this table. Now, i want to create a copy of all returned results, except for that I want to change data for one column (the date). This will make the new rows unique.

The reason I want to do this is because I want more data in this table since im building statistics out of it for testing purposes. So, if I have this:

**Column1   Column2   Column3**
abc       aaa         bbb
abcd      aaaa        bbbb
abcde     aaaaa       bbbbb

The table will now contain:
**Column1   Column2   Column3**
abc       aaa         bbb
abcd      aaaa        bbbb
abcde     aaaaa       bbbbb
abc       aaa         bbb_new
abcd      aaaa        bbbb_new
abcde     aaaaa       bbbbb_new

Answer 1

insert into your_table
   select col1, col2, concat(col3, '_new') from your_table