jdbc replace into
时间: 2023-09-30 12:07:46 浏览: 92
在Java中,JDBC(Java Database Connectivity)是一种用于与数据库进行交互的API。当涉及到数据库操作时,有时会使用替代语句来插入或更新数据。引用中提到了一个替代语句的选择,即使用ON DUPLICATE KEY UPDATE来代替replace into语法。这样做的好处是,在低版本的主从或binlog复制情况下,避免出现AUTO_INCREMENT不一致的问题。使用ON DUPLICATE KEY UPDATE语法时,如果插入的记录已经存在于数据库中,则会执行更新操作,而不是删除和重新插入。这样,在数据库的binlog中会生成一个更新操作,而不是一个删除和插入操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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