Magento 2 Documentation: Zend_Db_Exception Class Reference
How to resolve the issue of invoice not saving - Magento Forums
magento2 - Magento 2: How to fix error `[Zend_Db_Adapter_Exception] SQLSTATE[HY000] [2002] No such file or directory` when run setup:upgrade? - Magento Stack Exchange
Sorry! Failed to set up Icinga Web 2 successfully. · Issue #3141 · Icinga/icingaweb2 · GitHub
Magento 2: How to fix error `[Zend_Db_Adapter_Exception] SQLSTATE[HY000] [2002] No such file - YouTube
magento2 - Magento 2: How to fix error `[Zend_Db_Adapter_Exception] SQLSTATE[HY000] [2002] No such file or directory` when run setup:upgrade? - Magento Stack Exchange
Sorry! Failed to set up Icinga Web 2 successfully. · Issue #3141 · Icinga/icingaweb2 · GitHub
Unable to create user group "Administrators": ERROR: Zend_Db_Adapter_Exception - Community - Icinga Community
theme - DB error when running grunt exec Magento2 - Magento Stack Exchange
Magento 2 Documentation: Zend_Db_Adapter_Exception Class Reference
Error when I try to execute the command php bin/ma... - Magento Forums