database - After WAMP update & migrate, mysql tables have no structure / primary keys -


we've moved wamp drive on our server - old version wamp 2.4, , new 1 wamp 2.5. installed 2.5 fresh on new drive, , copied www , mysql data folders old install.

it's 'working' - sites appear run fine - i've discovered database structure appears gone. database tables have no primary keys, , no visible structure in phpmyadmin.

this case databases brought new wamp install in mysql data folder new databases: can export database structure remote server, after importing local wamp server structure stripped.

two questions:

(how) can database structure restored?

how can create or import new databases structure?

curiously sorted out after attempting troubleshoot issue undoing changes. tried:

  • restarted wamp services, exited , reopened wamp - unsuccessful.
  • copied entire old mysql folder new wamp install, attempted run mysql service old mysql version - unsuccessful.
  • reverted newer version of mysql came wamp 2.5 (back initial state before troubleshooting), restarted services - unsuccessful.
  • waited 10 minutes - table structure returned, working correctly.

this leads me believe there interaction process or condition on server, rather misconfiguration of wamp.


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