Top "Innodb" questions

InnoDB is an ACID-compliant transactional storage engine for MySQL that uses MultiVersion Concurrency Control (MVCC).

What are the max rows for MySQL table

Note: I've searched for other similar Qs here, and none of the other answered questions are even remotely similar.. With …

mysql scalability innodb max rows
InnoDB: Attempted to open a previously opened tablespace

I have been working on a problem for a few days now. Our local mediawiki page that sits on our …

mysql phpmyadmin xampp innodb mediawiki
Could not open mysql.plugin table. Some plugins may be not loaded

I have an issue with MySQL. When I'm trying to start it, that gives me an error message, which is 2015…

mysql innodb
What is MySQL's default ON DELETE behavior?

I'm trying to parse the MySQL docs. They could be clearer. What they seem to be saying is that there …

mysql innodb
Foreign key not working in MySQL: Why can I INSERT a value that's not in the foreign column?

I've created a table in MySQL: CREATE TABLE actions ( A_id int NOT NULL AUTO_INCREMENT, type ENUM('rate','report',…

mysql foreign-keys innodb mysql-error-1005
MySQL AUTO_INCREMENT does not ROLLBACK

I'm using MySQL's AUTO_INCREMENT field and InnoDB to support transactions. I noticed when I rollback the transaction, the AUTO_…

mysql transactions innodb auto-increment
Mysql Innodb: Autoincrement non-Primary Key

Is it possible to auto-increment a non-Primary Key? Table "book_comments" book_id medium_int timestamp medium_int user_id …

mysql primary-key innodb
MySQL InnoDB foreign key between different databases

I would like to know if it's possible in InnoDB in MySQL to have a table with foreign key that …

mysql database foreign-keys innodb
How can I improve DELETE FROM performance on large InnoDB tables?

I have a fairly large InnoDB table which contains about 10 million rows (and counting, it is expected to become 20 times …

mysql performance innodb
mysql - Deleting Rows from InnoDB is very slow

I got a mysql database with approx. 1 TB of data. Table fuelinjection_stroke has apprx. 1.000.000.000 rows. DBID is the primary …

mysql sql innodb