Question

I am using

mysql_query("INSERT INTO imaegs_backup SELECT * FROM images");

in order to copy the information for the images table to the images_backup table. On the images table I have:

id     name      link

1      name1     www.aaa.com/1
2      name2     www.aaa.com/2
3      name3     www.aaa.com/3

5      name5     www.aaa.com/5

as you can see id number 4 is missing from the images table. and when I am coping the tables I am getting the same result in table images_backup(which is expected). How can I copy the images table to the images_backup and I want the result to be something like this:

id     name      link

1      name1     www.aaa.com/1
2      name2     www.aaa.com/2
3      name3     www.aaa.com/3
4      name5     www.aaa.com/5

as you can see in row 4 there is name5 and link to image 5.
Note: the id column is set to auto increment, but I can change that.

Answer 1

If the table you’re inserting into has an auto-incrementing ID, then just specify two columns; the auto-incrementing field will take care of the value itself:

INSERT INTO images_backup (name, link) 
SELECT name, link FROM images ORDER BY id