转自:http://blog.csdn.net/huanhuanq1209/article/details/77884014 执行manage.py makemigrations 未提示错误信息, 但manage.py migrate时进行同步数据库时出现问题;django.db.utils.OperationalError: (1050, "Table 'article_category' already exists") 错误信息 根据stackoverflow上找到解决方案,执行…

SVN同步时报错:“Previous operation has not finished; run 'cleanup' if it was interrupted” 这大概是SVN之前的操作没有完成,又进行下一个操作,造成死锁. SVN的operation是存放在”work_queue”里的.而”work_queue”是在内嵌数据库wc.db的work_queue表中的.看看work_queue表中放了些什么,再做处理. 1.找到项目的 .svn文件夹,看是否有wc.db 这个内嵌数据库. 内…

环境:OEL 5.7 + Oracle 10.2.0.5 Clusterware + Oracle 10.2.0.5 RAC 故障:数据库open时报错ORA-1172,ORA-1151 1.故障详细 2.原因定位 3.尝试修复 1.故障详细 几年前的10gRAC实验环境,整体冷备迁移到新环境时,无法正常启动数据库,手工尝试也无法正常启动,报错如下: Mon Aug 14 10:04:13 EDT 2017 ALTER DATABASE OPEN This instance was first…

Error:Could not find com.android.support.constraint:constraint-layout:1.0.0-alpha8. 原因: SDK 中可能是没有安装ConstraintLayout的支持包   解决办法: 在SDK中安装ConstraintLayout 支持包, Android Studio下的操作: Preferences > Appearance & Behavior > System Settings > Android…

cwRsync 同步时报错 STATUS_ACCESS_VIOLATION windows XP  执行  cwRsync  同步时报错: 2 [main] rsync 3044 _cygtls::handle_exceptions: Exception: STATUS_ACCESS_VIOLATION 724 [main] rsync 3044 open_stackdumpfile: Dumping stack trace to rsync.exe.stackdump rsync: Faile…

(转自:https://blog.csdn.net/huanhuanq1209/article/details/77884014) 执行manage.py makemigrations 未提示错误信息, 但manage.py migrate时进行同步数据库时出现问题;django.db.utils.OperationalError: (1050, "Table 'article_category' already exists") 错误信息 这时执行"python manag…

0down votefavorite   I am getting error like django.db.utils.OperationalError: (1050, "Table 'someTable' already exists") I want to know reason for getting this type error. I ran the following commands on termial 1. python manage.py makemigratio…

  在给mysql数据库备份时,报错:mysqldump: Got error: 145: Table './jxzhtopenfire/ofoffline' is marked as crashed and should be repaired when using LOCK TABLES.如上错误的解决方法如下:1.进入数据库对该表进行检测:mysql> check tables ofoffline;+-------------------------+-------+----------+…

  今天遇到一个关于MySQL求助的问题,修改表结构时遇到"ERROR 1050 (42S01): table xxx already exits" mysql> ALTER TABLE DAY_BOOK_REPORT  ADD UNIT_PRICE_PCS   DOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_…

报错信息: E:\Python\s6day103>python manage.py makemigrations Traceback (most recent call last): File "manage.py", line 15, in <module> execute_from_command_line(sys.argv) File "F:\Program Files (x86)\Python3.6\lib\site-packages\django\…