<section class="section attention"> <p class="p">通过SQL执行计划，可以查看SQL语句的执行过程，帮助您分析当前SQL语句的性能。</p> <p class="p"><strong class="ph b">注意事项</strong></p> <p class="p">仅RDS-MySQL和RDS-PostgreSQL支持查看SQL执行计划。</p> <p class="p"><strong class="ph b">操作步骤</strong></p> <ol class="ol" id="dc_dms_cfg_0012__ol_uv5_g5j_frb"> <li class="li">登录<a class="xref" href="https://www.ocftcloud.com/console/dms/login" target="_blank" rel="external noopener">DMS管理控制台</a>。</li> <li class="li">单击左侧导航栏选择<strong class="ph b">非托管模式实例</strong>。</li> <li class="li">选择目标数据库下的实例，选择<strong class="ph b">SQLConsole</strong>，填写<strong class="ph b">数据库名</strong>、<strong class="ph b">数据库账号</strong>以及<strong class="ph b">密码</strong>，单击<strong class="ph b">确定</strong>登录数据库，可参考<a class="xref" href="https://www.ocftcloud.com/ssr/help/database/DMS/quickstart.Login.rds_mysql.Unmanaged_mysql" target="_blank" rel="external noopener">登录数据库</a>。</li> <li class="li">在SQL执行窗口，输入SQL语句。<p class="p"><strong class="ph b">说明: </strong>本文以RDS-MySQL为例。</p></li> <li class="li"> <p class="p">单击<strong class="ph b">执行计划</strong>。 <img class="image" id="dc_dms_cfg_0012__image_nhn_4lk_hrb" src="https://obs-cn-shanghai.ocftcloud.com/pacloud/20212010155605-18e9b1949cd0.png"></p> <p class="p">在执行计划页面，可查看SQL语句的执行计划详情。 <img class="image" id="dc_dms_cfg_0012__image_vbm_plk_hrb" src="https://obs-cn-shanghai.ocftcloud.com/pacloud/20212010155605-180fad309859.png"></p> </li> </ol> </section>