oracle数据库异常的相关内容

阿里云文档 2026-01-13

通过Multi-Insert Table AM的批量插入机制提高数据插入性能-云原生数据库 PolarDB-阿里云

PolarDB PostgreSQL版（兼容Oracle）集群Table AM的接口定义中包含单行插入接口和批量插入接口，当需要插入较多元组数据时，可通过启用批量插入接口提高数据插入效率。

阿里云文档 2026-01-13

批量导入基础设施的原理与性能优化-云原生数据库 PolarDB-阿里云

PolarDB PostgreSQL版（兼容Oracle）集群提供批量导入基础设施。

阿里云文档 2025-09-23

如何共享PolarDB集群的备份集

当您需要将数据库备份提供给其他团队或合作伙伴进行数据分析、开发测试或数据迁移时，传统方式往往涉及复杂耗时的数据导出与传输。PolarDB的共享备份集功能简化了这一流程，它基于阿里云资源共享服务，允许您安全地将指定备份集授权给其他阿里云账号使用。接收方可利用该共享备份集快速恢复数据至其名下集群，极大提升了跨账号数据协作的效率与安全性。

阿里云文档 2025-08-07

如何创建并应用参数模板

在配置PolarDB集群时，如果多个集群中包含一个或多个参数的配置相同，您可以使用参数模板功能，对参数进行集中管理，并快速应用至集群，以提升参数管理效率和集群配置效率。

阿里云文档 2025-06-27

PolarDB集群的数据备份是指在某个时间点上对集群的全量数据进行备份，生成一个备份集（快照）。该备份过程采用ROW（Redirect-on-Write）快照机制，直接存储在PolarDB集群的分布式存储系统上。在保存备份时，数据并未被真正复制。而当数据块发生修改时，系统会将历史版本的数据块保留给快照，同时生成一个新的数据块被原数据引用（Redirect）。本文将详细介绍创建备份、删除备份以及在数...

问答 2023-07-05 来自：开发者社区

读取Oracle数据库中LONG RAW字段会抛出异常

我使用Spring Boot + MyBatis + druid1.0.23读取表中的Long RAW字段时出现异常，然后我又使用Spring里的SingleConnectionDataSource能正常读取，日志记录的异常信息如下： org.springframework.jdbc.UncategorizedSQLException: Error attempting to get colum....

问答 2023-06-14 来自：开发者社区

oracle数据库字段类型timestamp 回滚异常

问题描述 timestamp类型字段DataCompareUtils.converType方法发现old value一直是.0 ;new value 一直是.xxx 导致Field not equals 通过debug级别日志看到 CREATE_TIME 精度不一样上述问题导致回滚失败一直重试一直失败如何复制回顾 1、A 服务调B服务；B使用oracle数据源； 2、B服务正常提交事务；...

文章 2022-06-30 来自：开发者社区

SQL Developer 连接 oracle数据库报错 Io 异常 The Network Adapter could not establish the connection的三种解决方法

报错 Io 异常: The Network Adapter could not establish the connection的三种解决方法Io 异常: The Network Adapter could not establish the connection这个异常的出现一般与数据库和你的PC的设置有关这种异常的出现大致上有下面几种：1。IP错误。在设置URL时错误，例如：jdbc:ora....

问答 2021-10-28 来自：开发者社区

Windows平台刚安装的ORACLE数据库启动异常报错：ORA-27101: 共享内存领域不存在?

Windows平台刚安装的ORACLE数据库启动异常报错：ORA-27101: 共享内存领域不存在，请问该如何处理呢？报错信息： ERROR: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist

问答 2021-10-28 来自：开发者社区

本机Oracle数据库启动出现异常，报错：ORA-01092导致无法启动成功，请问该如何解决啊？

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更新时间 2024-02-27 10:41:13

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数据库审计

满足等保2.0二级和三级 “安全审计”合规要求的同时，智能解析数据库通信流量，细粒度审计数据库访问行为，通过对数据库全量行为的审计溯源、危险攻击的实时告警、风险语句的智能预警，提供数据库资产最安全的监控保障。

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