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
SQLiteException : duplicate column name in alter table in upgrade script · Issue #419 · chennaione/sugar · GitHub
![upgrade - "nativecode=1060 ** Duplicate column name 'created_id'" when upgrading from 4.4.14 to 4.6.2 - CiviCRM Stack Exchange upgrade - "nativecode=1060 ** Duplicate column name 'created_id'" when upgrading from 4.4.14 to 4.6.2 - CiviCRM Stack Exchange](https://i.stack.imgur.com/mRCGD.jpg)
upgrade - "nativecode=1060 ** Duplicate column name 'created_id'" when upgrading from 4.4.14 to 4.6.2 - CiviCRM Stack Exchange
![报错记录:SQLite3::SQLException: duplicate column name: email: ALTER TABLE "users" ADD "email" varchar DEFAULT '' NOT NULL « isaac's Blog 报错记录:SQLite3::SQLException: duplicate column name: email: ALTER TABLE "users" ADD "email" varchar DEFAULT '' NOT NULL « isaac's Blog](http://user-image.logdown.io/user/23285/blog/22214/post/1386975/VN2zJRobRwGkfNUmTL7K_Snip20170201_149.png)
报错记录:SQLite3::SQLException: duplicate column name: email: ALTER TABLE "users" ADD "email" varchar DEFAULT '' NOT NULL « isaac's Blog
SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'remember_token' · Issue #4983 · snipe/snipe-it · GitHub
![Illuminate \ Database \ QueryException (42S21) SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'ldap_server_cert_ignore' (SQL: alter table `settings` add `ldap_server_cert_ignore` tinyint(1) not null default '0') · Issue #9362 ... Illuminate \ Database \ QueryException (42S21) SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'ldap_server_cert_ignore' (SQL: alter table `settings` add `ldap_server_cert_ignore` tinyint(1) not null default '0') · Issue #9362 ...](https://user-images.githubusercontent.com/81610634/112943485-19c48a00-9164-11eb-9b96-f47d3e82bb0b.jpg)