SQL syntax debug: Difference between revisions
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MySQL server configuration | MySQL server configuration | ||
* [http://mysqltuner.com/ MySQLTuner-perl by major] | * [http://mysqltuner.com/ MySQLTuner-perl by major] | ||
* [[Troubleshooting of MySQLTuner]] | |||
Further reading | Further reading | ||
Revision as of 11:47, 27 January 2018
How to debug MySQL query syntax
Approach 1: Reduce the complexity of Sql query
Steps:
- Reduce the complexity of SQL syntax ex: reduce the WHERE condition
- Examine the sub query part only
- Enable the MySQL server log. Details on Testing#Database_server
- Disable unnecessary database operation permission
Approach 2: Using MySQL syntax checker
- MySQL :: MySQL Workbench (blog: The MySQL Workbench Developer Central Site): Syntax checker for MySQL statements. Required to install the software.
- Mimer SQL Developers - Mimer SQL Validator Syntax checker for SQL-2003 standard and so on.
Not required to install the software, checking result was able to be viewed using the browser. - cweiske.de: tools: PHP-SQLlint: Required to install the software.
- More on Where can I find a good MySQL syntax checker? - Quora
Approach 3: Beautify the Sql syntax
Beautify the SQL syntax for better readability.
- Using the text editor Sublime, and enable the Menu option: View > Syntax >SQL. The syntax will become colorful for easy to read!
- Instant SQL Formatter
Related articles
MySQL server configuration
Further reading
- Craig Kerstiens (2016). Writing more legible SQL [Last visited: 2016-11-03]