Either remove the DEFINER=.. statement from your sqldump file, or replace the user values with CURRENT_USER. The MySQL server provided by RDS does not allow a DEFINER syntax for another user (in my experience). You can use a sed script to remove them from the file:
Timestamps in MySQL are generally used to track changes to records, and are often updated every time the record is changed. If you want to store a specific value you should use a datetime field. If you meant that you want to decide between using a UNIX timestamp or a native MySQL datetime field, go … Read more
As was told at MySQL Using a string column with date text as a date field, you can do You can also handle these date strings in WHERE clauses. For example You can handle all kinds of date/time layouts this way. Please refer to the format specifiers for the DATE_FORMAT() function to see what you … Read more
I’m not professional in query writing, but wrote many from the time I began MySQL. Recently I noticed there is no need to type AS keyword in name aliasing. equals to However I know that this ability is out from years ago. I’ve 2 questions around this subject: Is AS keyword redundant? Sometimes ago when … Read more
when you use x.name=y.name you are comparing country name from x with the country name from y if both instances have the same country name. That basically would just return you the full table x. You want to use x.continent=y.continent because you only want to compare the country name of an instance from x with the country name of … Read more
Default sorting is ascending, you need to add the keyword DESC to both your orders:
It seems odd that this directory was not created at install – have you manually changed the path of the socket file in the my.cfg? Have you tried simply creating this directory yourself, and restarting the service?
You could store the last insert id in a variable : Or get the max id from table1 (EDIT: Warning. See note in comments from Rob Starling about possible errors from race conditions when using the max id) (Warning: as Rob Starling points out in the
It means to group by the first column regardless of what it’s called. You can do the same with ORDER BY.