SQLiteException : duplicate column name in alter table in upgrade script · Issue #419 · chennaione/sugar · GitHub
Upgrade to 1.5 "Column already exists: 1060 Duplicate column name 'isPool'" error · Issue #3563 · phpipam/phpipam · GitHub
![database - Integrity constraint violation: 1062 Duplicate entry '3-2-9' for key 'PRIMARY', query was: ALTER TABLE `catalog_category_product_index_tmp` - Magento Stack Exchange database - Integrity constraint violation: 1062 Duplicate entry '3-2-9' for key 'PRIMARY', query was: ALTER TABLE `catalog_category_product_index_tmp` - Magento Stack Exchange](https://i.stack.imgur.com/7gi3Z.png)
database - Integrity constraint violation: 1062 Duplicate entry '3-2-9' for key 'PRIMARY', query was: ALTER TABLE `catalog_category_product_index_tmp` - Magento Stack Exchange
![SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'code' · Issue #1 · inoctober/gallery · GitHub SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'code' · Issue #1 · inoctober/gallery · GitHub](https://user-images.githubusercontent.com/7326568/37179809-44781004-2327-11e8-9cc4-b16857af59ea.png)