Quote:
Originally Posted by Lauraq
Thanks for your help! 
I know the function but do not know how to use it, there are too many options, do not understand why things so complicated 
ops is not so difficult, it is I who am clumsy   |
It is not simple because this is an advanced feature.
It is doing Open Heart (DB) Surgery, not a kiss on an 'ow-y'
One slip and the patient may not survive, or at least be crippled for life.
BACKUP first
do not try for a 'All in One Shot' solution. Pick a specific metadata issue and fix that.
Apply to a
tiny test case of books
Verify the reslts
do more/the rest