<table class="table" id="Comparison__table_zm3_3bx_l5b"><caption></caption><colgroup><col><col><col></colgroup><thead class="thead"> <tr class="row"> <th class="entry" id="Comparison__table_zm3_3bx_l5b__entry__1"> <p class="p">对比项</p> </th> <th class="entry" id="Comparison__table_zm3_3bx_l5b__entry__2"> <p class="p">平安金融云RASESQL</p> </th> <th class="entry" id="Comparison__table_zm3_3bx_l5b__entry__3"> <p class="p">自购服务器搭建的关系型数据库服务</p> </th> </tr> </thead><tbody class="tbody"> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">服务可用性</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">99.967%</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">需自行保障，购买设备搭建系统，自建RAID等。</p> </td> </tr> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">数据可靠性</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">99.9999%</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">需自行保障，购买设备搭建系统，自建RAID等。</p> </td> </tr> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">系统安全性</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">及时修复各种数据库安全漏洞</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">需自行部署，修复数据库安全漏洞等，价格昂贵。</p> </td> </tr> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">数据库备份</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">支持自动备份和手动备份</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">需自行实现，解决备份数据的存放空间，并且要定期校验备份数据是否可恢复。</p> </td> </tr> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">软硬件投入</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">无软硬件投入，按需付费</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">数据库服务器的成本相对较高。</p> </td> </tr> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">维护成本</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">无需运维</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">需招聘专职数据库管理员DBA（Database Administrator）来维护，人力成本投入大。</p> </td> </tr> <tr class="row"> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__1 "> <p class="p">部署扩容</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__2 "> <p class="p">弹性扩容，快速部署，即时开通</p> </td> <td class="entry" headers="Comparison__table_zm3_3bx_l5b__entry__3 "> <p class="p">需采购扩容的硬件、建立机房托管、部署机器等工作，整体周期比较长。</p> </td> </tr> </tbody></table>