Apple tv locks up while updating Adult dating and penpals

We had to add a "NO LOCK" to our SELECT statement, because it was a huge SELECT on a table that is used a lot by a lot of users at the same time and we had LOCKS all the time. Update tbl set x = (select max(y) from tbl) where z = (select min(a) from tbl).

If you have a concurrent select z from tbl well the other selects aren't blocking it, but the update is.

Then, our application might me running on many user's PCs at the same time, accessing the same database.

So if someone tries to insert into the table that the other SELECT is reading (in pages that SQL is trying to read), then a LOCK can occur and the two transactions block each other. They won't, but a select statement could be part of transaction that includes an update.

Go to lampp/var/ and do chown -R mysql mysql/ That worked for me!

The solution that worked for me was here: https://serverfault.com/questions/334284/cant-create-pid-file-on-mysql-server-permission-denied Changing some of my permissions seemed to do the trick.

Nevertheless, if your i Phone keeps asking for your Apple ID password and verification, now you at least know how to fix it.

If an admin is updating a user record you don't want that to cause the report to sit there and wait for the whole distributed transaction to finish. The only place it's a concern is data that isn't committed yet.

Quite a few users have experienced this frustrating issue as shown in various Apple discussion threads, another similar issue exists with some versions of i OS with constant i Cloud backup password requests in the form of a pop-up.

Both of these are likely a bug that will be sorted out in a future i OS version, so be sure to keep i OS updated (or consider to use automatic i OS update if you regularly procrastinate).

Some i Phone and i Pad users have discovered their devices keep asking them repeatedly for their Apple ID to be verified with a password.

If you have this issue, this Apple ID password verification pop-up appears at random but frequently, and you’ll see it appear anytime you reboot the device on the lock screen, and often when unlocking the device after a period of going unused.

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Wikipedia has a useful article: Wikipedia: Isolation (database systems) It is also discussed at length in other stackoverflow articles.

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