(update,delete触发,insert不触发)because it does not have a replica identity and publishes updates Hint: To enable updating from the table, set REPLICA IDENTITY using ALTER TABLE 如果相关表涉及了逻辑复制,且对应表没有主键,则需要
当我把数据库改为oracle时,项目报错:org.hibernate.MappingException: org.hibernate.dialect.OracleDialect does not support identity key generation 是因为oracle不支持identity,支持是sequence,把 @GeneratedVal
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eclipse中tomcat console提示如下: An explicit value for the identity column in table 'users' can only be specified when a column list is used and IDENTITY_INSERT is ON. users中的字段有:userid,username,pass
也许大家对SQL Server中的 @@IDENTITY 都不陌生,都知道它是获取数据表中最后一条插入数据的IDENTITY值。 比如,表 A 中有个 ID 为自增1的字段,假设此时 ID 的值为100,现在如果我往表A插入一条数据,并在插入后 SELECT @@IDENTITY,则其返回 101,最后一条IDENTITY域(即ID域)的值。 现在问题来了,为什么说要慎用@@IDENTIT
解决WARN: Establishing SSL connection without server's identity verification is not recommended...问题 一. 异常问题 我在intelliJ idea中进行SSM开发时,在连接mysql数据库的时候,产生了如下警告信息: Wed Jun 10 21:42:40 IRKT 2020 WARN: Est