An System.Collections.Generic.KeyNotFoundException "The given key was not present in the dictionary" can be the result of using a too old MySQL Connector/NET version in your ASP.NET web application.
Here are the steps required to restore a single MySQL table from a full mysqldump database backup file on the command-line. If you need to restore a single table from a full MySQL backup, you may find yourself wondering "how do I do that?". There are a few steps required, I outline them here for you to restore the contents of just one table back into the database from the mysqldump using Bash.
Are you running into MySQL load problems? Learn how to optimize MySQL InnoDB Buffer Pool for a heavy InnoDB workload by configuring innodb_buffer_pool_instances and increasing read/write I/O threads. Dividing the InnoDB buffer pool into multiple instances can improve Disk I/O. By doing so, you run your database more efficiently and faster. Here is a little help for you.
Sri Lankan Security researcher Osanda Malith discovered a DoS -or crash- vulnerability in MySQL's Procedure Analyse Function. The vulnerability crashes MySQL versions up to 5.5.45.