工作中,我们有时会遇到 MySQL join 表太多的情况,可能来自两个背景,一个是历史老代码,一个是去 o(Oracle) 改造,从 Oracle ...
在日常开发中,为了提高操作数据库效率,我们往往会选择批量操作,比如批量插入、批量更新,这样可以减少程序和数据库的交互,减少执行时间。但是批量操作往往隐藏着一些坑,使用不当,很可能会造成生产事故。 今天来分享使用 MyBatis 批量操作可能会 ...
... and it inserts only fields place and km into store. I tried this and that and found out, that the last field in createTable definition is not inserted. Current ...
This is a Liquibase tutorial that shows you how to manage your database objects using the Oracle database and some Oracle tools. It also shows how branching and merging is performed using Subversion.