Hi,
A MySQL database is not only some folders named with the table names with *.frm, *.ibd and *.opt files inside, but also files like ib_buffer_pool, ib_logfile0, ib_logfile1, ibdata1 in the mysql5.6.12/data/ folder.
And all of these files is required for the database is functional.
Rather than transfer files, I think it would be better to try, with functional MySQL (5.6.17) to try to use the "database" of the 5.6.12 release.
Suppose the remaining data from the 5.6.12 version is:
c:\wamp_old\bin\mysql\mysql5.6.12\data\
- Exit Wampserver
- Edit the c:\wamp\bin\mysql\mysql5.6.17\my.ini file
Replace :
datadir="c:/wamp/bin/mysql/mysql5.6.17/data"
by
;datadir="c:/wamp/bin/mysql/mysql5.6.17/data"
datadir="c:/wamp_old/bin/mysql/mysql5.6.12/data"
Save the modified file.
Launch Wampserver
May be the old databases will be there.
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