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CertificationsAzureDP-300
Azure助理级数据库

Microsoft Certified: Azure Database Administrator Associate (DP-300)

验证您管理和优化 Azure SQL 数据库的专业能力。涵盖规划、实施、安全、监控和性能优化。

Try the first chapter freePractice questions
50
Official exam questions
120 min
Exam duration
700/1000
Passing score
JR ACADEMY / CERTIFICATION PREP

JR Academy practice bank

204practice questions
Build your foundation9 learning chapters
Practice with purposeFocused practice · answer explanations
Test your readinessMock exams · review

204 practice questions available

OverviewLearning pathFAQReviews
01

Understand the certification

传统 DBA 转云的最佳跳板,Azure SQL 是微软云数据库的核心,这张证直接对标 DBA 岗位。

Microsoft Certified: Azure Database Administrator Associate(DP-300)验证你管理和优化 Azure SQL 数据库的能力。考试 40-60 题,120 分钟,及格线 700/1000,考试费 $165 USD。

DP-300 的考查范围以 Azure SQL(SQL Database、SQL Managed Instance、SQL Server on Azure VM)为核心,同时涵盖少量 Azure Database for PostgreSQL/MySQL 内容。2024 年考纲更新后增加了 Microsoft Copilot for Azure SQL 的考点。

与 DP-203(Data Engineer)的区别:DP-203 考数据管道和 ETL 流程,DP-300 考数据库运维和性能调优。如果你的工作是写 Data Factory pipeline,考 DP-203;如果你的工作是优化查询计划、配置 Always On 可用组、处理死锁,考 DP-300。

Exam at a glance

Exam code
DP-300
Provider
Azure
Format
Single choice / Multiple select / True/False / Drag and drop
Language
English / 中文(简体) / 日本語 / 한국어 / Français / Deutsch / Español
Validity
1 years
Exam fee
$165
Official certification page

Skills in focus

Azure SQL数据库管理性能优化高可用性安全管理备份恢复监控诊断

Learning outcomes

  • 获得 Microsoft 官方认可的 Azure Database Administrator Associate 认证
  • 掌握 DP-300 考试各领域核心知识点
  • 具备通过 DP-300 认证考试的能力
  • 提升在云计算领域的专业竞争力

Who this is for

  • Azure 技术从业者和解决方案顾问
  • 希望获得 DP-300 认证的 IT 专业人员
  • 云平台管理员和开发人员
  • 准备 Microsoft 认证考试的学生和从业者

Before you start

  • 建议有 Azure 基础使用经验
  • 了解云计算基础概念
  • 建议有相关领域实践经验
  • 建议先完成 Microsoft Learn 官方学习路径
02

Your learning path

9 chapters

01DP-300 考试概述与备考指南Free02Monitoring and OptimizationFree03Securing Data60 min04Query Performance60 min05High Availability and DR60 min06Planning Azure SQL60 min
View the full learning path

Plan your preparation

Learning hours
35h
With relevant experience
4-5 weeks
Starting from scratch
8-10 weeks
Daily study
1-2h

Included in your preparation

  • 9 个系统化学习章节,覆盖所有考试领域
  • 204 道精选练习题,每题附详细解析
  • 仿真模拟考试(50 题/120 分钟)
  • 错题本 + 智能复习,薄弱环节针对性突破
  • Associate/Expert 级别认证,年度续期
  • 同步 Microsoft 官方 DP-300 最新考纲

1. 第一阶段:Azure SQL 部署模型(1 周)

SQL Database(单库 vs 弹性池)、SQL Managed Instance、SQL Server on Azure VM 三种模型的适用场景和功能差异。记住 MI 支持跨库查询和 SQL Agent,Single DB 不支持。

2. 第二阶段:安全 + 高可用(2 周)

TDE(透明数据加密)、Always Encrypted、Dynamic Data Masking、Row-Level Security。高可用部分重点是 Active Geo-Replication vs Auto-failover Groups 的区别。

3. 第三阶段:性能监控 + 调优(2 周)

Query Performance Insight、Intelligent Performance(自动索引、自动调优)、DMV 查询(sys.dm_exec_query_stats)、执行计划分析。这是考试的核心难点区域。

4. 第四阶段:模考(1 周)

做 2-3 套 MeasureUp 或 Microsoft Learn 模考,重点复习错题涉及的 DMV 和监控工具。

03

Career value

Azure SQL DBA 的市场需求

企业 SQL Server 迁云是一个持续 5-10 年的趋势。微软 2025 财年报告显示 Azure SQL 收入同比增长 28%,每次迁云都需要 DBA 做评估、迁移和运维。DP-300 持证者在简历筛选阶段有明确优势。

不适合考的人:从没用过 SQL Server / T-SQL 的人。DP-300 的前置知识假设你会写查询、理解索引原理、知道事务隔离级别。完全零基础应该先学 SQL 基础再考。

Azure DBACloud Database AdministratorSQL Server DBADatabase Reliability Engineer
澳洲
AUD 110,000 – 155,000
美国
USD 120,000 – 175,000
新加坡
SGD 90,000 – 140,000

Preparation tips

  • **DTU 计算器**:Azure 官方提供 DTU Calculator 评估迁移前的性能需求,考试可能问这个工具的用途。
  • **"最少管理开销"**:看到这个关键词选托管服务 — SQL Database > Managed Instance > SQL Server on VM。
  • **SSMS vs Azure Portal**:考试区分哪些操作在 SSMS 里做(查询调优、索引分析)、哪些在 Portal 里做(缩放、备份配置)。

Common mistakes

  • **弹性池 eDTU 和 vCore 模型混淆** — eDTU 是微软的捆绑单位(CPU + IO + Memory),vCore 可以独立配置计算和存储。考试问"需要精确控制 CPU 和内存"选 vCore。
  • **Active Geo-Replication vs Failover Group** — Geo-Replication 手动切换、支持最多 4 个副本;Failover Group 自动切换、包含 DNS 端点,适合生产环境。
  • **忽略 Backup 保留策略** — 短期保留(PITR,最多 35 天)vs 长期保留(LTR,最多 10 年)。题目问"合规要求保留 7 年"答案是 LTR。
04

Before you register

How difficult is the DP-300 exam?

DP-300 is an Associate-level (intermediate) certification. It is recommended to have some practical experience, with 4-8 weeks of systematic preparation.

How long is the DP-300 certification valid?

The DP-300 certification is valid for one year. You need to pass a renewal assessment to maintain your certification status. Microsoft will notify you in advance about the renewal timeline.

How much does the DP-300 exam cost?

The DP-300 exam costs $165 USD. The exam duration is 120 minutes, and a score of 700/1000 is required to pass.

05

Learner experiences

Loading reviews…

有 SQL Server 基础的话 DP-300 不难,新东西主要是 Azure 特有的功能 — 弹性池的 eDTU 计算、Managed Instance 的 VNet 配置、自动调优。建议直接在 Azure 免费账户上创建一个 SQL Database 实操。

SQL Server DBA 6 年

传统 DBA 转云 · 790/1000 · 4 weeks

没有 DBA 经验考这个需要补很多基础。执行计划里的 Key Lookup、Hash Join、Nested Loop 要能看懂,不然性能调优的题全丢分。

后端开发 转 DBA

725/1000 · 8 weeks

06

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