这篇文章主要介绍“Linq Tracking Changes机制有什么作用”,在日常操作中,相信很多人在Linq Tracking Changes机制有什么作用问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”L
我们在使用Django创建工程的时候都使用makemigrations、migrate来生成最初的数据库模型,但是到最后都是直接在数据库中手动创建表,为什么呢?因为这些数据库迁移命令经常会显示No changes detected,明明我们
文档解释ORA-32346: ON COMMIT materialized view refresh caused changes to the master table/materialized viewCause: ON COMMIT
文档解释ORA-55515: Mining sees input transaction changes without seeing transaction startCause: The start SCN provided was
文档解释ORA-31405: cannot make changes while change set string is advancingCause: The change set is currently advancing.
文档解释ORA-22347: No changes to type specified for ALTER TYPECause: The ALTER TYPE does not contain any changes to the
文档解释ORA-16179: incremental changes to string not allowed with SPFILECause: Incremental changes to a
文档解释ORA-08007: Further changes to this block by this transaction not allowedCause: Max locks have been reached for this
文档解释ORA-31069: Cannot apply typed changes to non-schema-based XMLType nodesCause: An attempt was made to insert,
文档解释ORA-38879: Cannot flashback data file string; may not be able to undo all changes.Cause: A data file was plugged in
文档解释ORA-19911: datafile string contains future changes at the incarnation boundaryCause: The file did not hit end
文档解释ORA-12097: changes in the master tables during refresh, try refresh againCause: There are some changes (i.e.,
文档解释ORA-42015: online redefinition unable to log changes made to AQ tablesCause: An online redefinition of an AQ table
文档解释ORA-26850: Changes to queue subscribers were detected by string capture process.Cause: The subscribers for capture
文档解释ORA-00721: changes by release string cannot be used by release stringCause: An attempt to import a tablespace
文档解释ORA-32337: cannot alter materialized view with pending changes refresh on commitCause: There are some pending
文档解释ORA-01640: cannot make tablespace read-only with changes by in-doubt transactionsCause: An attempt was made to
文档解释ORA-00402: database changes by release string cannot be used by release stringCause: Changes have been made to the