无法连接数据库访问的相关内容

阿里云文档 2025-06-04

如何通过Lindorm-cli及开源API访问并使用搜索索引

云原生多模数据库 Lindorm宽表支持搜索索引。在配置映射关联并创建搜索索引后，当您在宽表中写入数据，数据将自动同步至搜索引擎。您可以调用Elasticsearch API实现查询。本文介绍如何使用Lindorm-cli实现搜索索引的管理，以及结构化数据的实时检索查询功能。

阿里云文档 2025-06-03

通过EncJDBC访问RDS或PolarDB数据库加密列的明文

配置RDS MySQL版、RDS PostgreSQL版、PolarDB MySQL版或PolarDB PostgreSQL版数据库表中敏感数据列加密后，如果希望通过Java应用访问这些加密列的明文，可使用EncJDBC驱动连接数据库。本文介绍如何使用EncJDBC连接数据库并访问加密列的明文数据。

阿里云文档 2025-05-28

授权DTS访问云资源

初次搭建RDS SQL Server灾备实例组时，您需要创建名称为AliyunDTSDefaultRole的默认角色，并将系统权限策略AliyunDTSRolePolicy授权给该角色，以允许DTS访问您的RDS和DTS云资源，便于后续搭建和管理灾备实例组。该授权操作仅为确保RDS灾备服务可以正常使用，对RDS实例的性能不产生任何影响。

阿里云文档 2025-05-09

如何通过Lindorm Shell及开源API访问并使用搜索索引

云原生多模数据库 Lindorm宽表支持搜索索引。在创建搜索索引并配置映射关联后，当您在宽表中写入数据，数据将自动同步至搜索引擎。您可以调用Elasticsearch API实现查询。本文介绍如何使用Lindorm Shell实现搜索索引的管理，以及结构化数据的实时检索查询功能。

阿里云文档 2025-03-19

通过Go驱动访问列加密数据库

配置RDS MySQL版或PolarDB MySQL版数据库表中敏感数据列加密后，如果希望通过GO应用访问这些加密列的明文，可使用alibabacloud-encdb-mysql-go-client驱动连接数据库。本文介绍如何使用alibabacloud-encdb-mysql-go-client连接数据库并访问加密列的明文数据。

文章 2024-08-24 来自：开发者社区

【Azure 应用服务】由Web App“无法连接数据库”而逐步分析到解析内网地址的办法(SQL和Redis开启private endpoint，只能通过内网访问，无法从公网访问的情况下）

问题描述在Azure上创建的数据库，单独通过SQL的连接工具是可以访问，但在Web App却无法访问，错误信息为： { "timestamp": "2021-05-20T05:21:04.672+0000", "status": 500, "erro...

文章 2022-02-16 来自：开发者社区

sql 2000 无法连接远程数据库 sqlserver不存在或访问被拒绝解决方案

一看ping 服务器IP能否ping通。　　这个实际上是看和远程sql server 2000服务器的物理连接是否存在。如果不行，请检查网络，查看配置，当然得确保远程sql server 2000服务器的IP拼写正确。　　二在Dos或命令行下输入telnet 服务器IP 端口，看能否连通。　　如telnet 202.114.100.100 1433 ...

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更新时间 2024-08-25 10:17:28

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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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