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Technology – MySQL Errors/ Issues

Reasons for different potential errors or issues in MySQL

Fishbone template on different reasons for MySQL errors

MySQL is an open-source relational database management system based on Structured Query Language. It is commonly used in web applications as a database component. It may be used in different applications such as data cleaning, data warehousing, e-commerce, logging applications and online portals. It can handle both large and small applications. MySQL is perfect for web sites with huge volumes of both data and end-users due to its scalability, reliability and flexibility. It can also be scaled down to support embedded database applications.

MySQL Errors/ Issues
Connection problem

  •   Too many connections
    • Exceeds maximum connection limit
  •   Host name blocked
    • Too many connection-request
  •   BLOB too large
  •   Short connection time-out
  •   Poor network connectivity

Table access issues

  •   Table name doesn’t exist
  •   Table full
    • Table reached max size
  •   Disk full
  •   User doesn’t have required privileges
  •   Incorrect database name
  •   Incorrect username/ password

Password issues

  •   Invalid password in user table
  •   Password reading limits small
  •   Password not specified in option file
  •   Password entered interactively

Miscellaneous issues

  •  Command not synced
    • Called client functions in wrong order
  •  Temporary files creation fails
    • tmpdir option not given when server started
  •  Packets too large
    • Max size limit exceeded
  •  Out of memory
    • Not enough memory for query-request

This root cause analysis fishbone template sums up the common MySQL errors. It is a comprehensive example of cause analysis of MySQL issues. One can refer to this fishbone diagram while solving similar problems. Our goal is to provide some useful strategies for defining and analyzing the causes.

Who should use the MySQL Errors/ Issues template?

  • This template shares knowledge on the different types of reasons for MySQL errors. It assists everyone to understand why various MySQL issues may happen.

Why use this template?

  • Follow this convention as an easy starting point during the process of root cause analysis.
  • Use it to share knowledge on how to investigate problems efficiently and present it in a structured fashion.
  • Create and modify your template or use this for your own custom problem-solving.

Curated from community experience and public sources:


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