Hello to all,
In repeatable read isolation level, when we issue:
Select * from new where c1 between 12 and 17 for update;
this range will be locked by innodb by using next-key locks.
But, why is is preventing any other session to insert any value beyond that
range; any value above the range and
Hello to all,
I want to know whether my innodb index is fragemented. Is it possible to
know?
Best Regards,
Geetanjali Mehra
Senior Oracle and MySQL DBA Corporate Trainer and Database Security
Specialist
I want to understand how to tune innodb_max_purge_lag
http://dev.mysql.com/doc/refman/5.5/en/innodb-parameters.html#sysvar_innodb_max_purge_lag
when history list length is high.
Could anyone explain me.
Best Regards,
Geetanjali Mehra
Senior Oracle and MySQL DBA Corporate Trainer and Database
