MySQL InnoDB Corruption Repair Guide
This is a basic guide that goes over some of the methods you can use to deal with some of the most common InnoDB corruption issues, from start to finish.
/A/ First Response
A/1 Initial Steps
A/2 If MySQL is Crashing
/B/ Identifying the Problem
B/1 Examining the Logs
B/1.1 Page Corruption
B/1.2 …Read More
How to Recover InnoDB MySQL Table Data from ibdata and .frm Files
This tutorial explains how to restore MySQL tables when all or some of the tables are lost, or when MySQL fails to load table data.
One of the reason for this to happen is when the table data is corrupted.
In …Read More
Years ago, MySQL started allowing InnoDB to possess separate tablespace per table instead of a massive unified ibdata1 file. Tablespace is basically a logical storage area that contains table information – references, if you will. Every table, regardless of the storage engine, has one, and without it the table will be …Read More
I have a Database having number of tables.
I want to delete some records from the tables say the no of records are more than 20K or 50K.
The All the Tables are InnoDB. And file_per_table is off.
When I will delete the records from a number of tables there will be fragmentation …Read More