You failed. The score report says somewhere between 672 and 719. Passing is 720. You were close enough to taste it, but not close enough. Now you’re staring at the retake fee and wondering if you studied the wrong stuff or just didn’t study hard enough.
Here’s the truth: Most people who fail the DP-900 second attempt fail the same way they failed the first time. They didn’t actually change their study strategy. They just opened the same exam prep material, spent more hours grinding, and hoped for different results.
This plan is different. It’s designed specifically for someone who has already seen the exam, knows where they’re weak, and has maybe 2–3 weeks to fix it.
What Most Candidates Get Wrong About This
You think the DP-900 is harder than it is. It’s not. It’s a fundamentals exam, which means the questions aren’t trying to trick you with obscure Azure syntax or weird edge cases. What they are testing is whether you understand when to use each Azure service and why it’s the right choice for a scenario.
The second mistake: You’re treating all weak areas equally. You got the storage services wrong. You got relational vs. non-relational confused. You missed the questions about data warehousing. So you spent equal time on all three. That’s backwards. Some topics carry more exam weight than others, and some are easier to fix in 2 weeks than others.
Third mistake: You’re relying only on one study resource. The official Microsoft Learn modules are good, but they’re dense and theoretical. The practice tests tell you what you got wrong but not why. You need three separate sources working together—not three sources saying the same thing.
The Specific Problem You’re Facing
Your score report probably has a breakdown by skill area. The exam covers four main domains:
- Describe core data concepts (roughly 15–20% of questions)
- Identify considerations for relational data (roughly 20–25%)
- Describe considerations for working with non-relational data (roughly 20–25%)
- Describe an analytics workload on Azure (roughly 30–35%)
That last domain is worth the most points. If you tanked on data warehouses, synapse, or analytics scenarios, that’s where you lost the most points. Fix that first.
The relational vs. non-relational confusion is also common. You probably know Azure SQL Database exists, but you’re foggy on when you’d use Cosmos DB instead, or what a document database actually means in the context of an exam question. These distinctions show up in 8–12 questions on any given DP-900 exam.
If your score was 672–680, you probably got 25–27 questions right out of 40–50 questions (the exact number varies). That means you’re getting about 52–58% correct. You need 75%+. That’s a 17–23 point swing you need to create in 2 weeks.
A Step-By-Step Approach That Works
Week 1: Targeted domain deep-dive
Don’t re-study everything. Use your score report to identify your two weakest domains. Spend 5 days on those two areas only.
For each weak domain, do this:
- Monday: Read the official Microsoft Learn module once start to finish. Don’t take notes. Just absorb the structure and key names of services. This takes 45 minutes per module.
- Tuesday: Watch a YouTube explanation video from someone like John Savill or TechExams Academy. They explain the same concepts in conversational language. You’ll catch things the official docs gloss over. (30 minutes)
- Wednesday: Do practice questions only from that domain on a test platform like Whizlabs or ExamTopics. Mark every wrong answer and read the explanation three times. (60 minutes)
- Thursday: Create a single one-page comparison table for that domain. For relational topics, list services down the left side (SQL Database, SQL Managed Instance, PostgreSQL, etc.) and characteristics across the top (scalability, pricing model, use cases). Fill it in from memory first, then verify. (45 minutes)
- Friday: Redo the practice questions from Wednesday. You should see immediate improvement.
Repeat this cycle for your second-weakest domain.
Week 2: Full-length practice tests and scenario refinement
- Monday–Wednesday: Take one full-length practice test every other day on the same platform you used for domain practice. Don’t use study mode. Use exam mode—strict timing, no hints, no pausing to look things up. (90 minutes each)
- After each test, review only the questions you got wrong. Read the explanation. Then ask yourself: “What concept did I misunderstand?” Write that concept name down. Don’t rewrite the whole explanation. Just the concept.
- Thursday: Review all the concept names from the week. Pick the three you see repeated most. Spend 20 minutes each on those three using Microsoft Learn or YouTube.
- Friday: Final practice test. Aim for 80%+. If you hit it, you’re ready.
What To Focus On (And What To Skip)
Focus here:
Data warehousing scenarios. Questions like: “Your company ingests 50GB of sales data daily from multiple sources. They need to run complex analytical queries across 3 years of historical data. What’s the best architecture?” The answer is usually Azure Synapse or, in simpler cases, Azure SQL Data Warehouse. These questions appear on almost every DP-900, and most candidates miss them.
Azure data services matrix. Know when to use: SQL Database (single relational), Cosmos DB (global, document/key-value), Data Lake Storage (big unstructured data), Azure Table Storage (simple key-value), and PostgreSQL/MySQL (open-source relational). One question will present four scenarios and ask you to match services. You need to nail this.
Real-world scenario questions. These don’t ask “What is Azure Synapse?” They ask “A retail company needs real-time inventory updates across 100 stores with sub-100ms latency. Which data service fits?” The answer is Cosmos DB, and the reasoning is the global distribution + low latency. Learn the why, not the definition.
Skip:
- Deep SQL syntax. The exam doesn’t ask you to write T-SQL queries.
- Detailed pricing models. You should know SQL Database is cheaper than Synapse for small workloads, but you don’t need to memorize price per DTU or per CU.
- Very recent Azure features. If a feature launched in the last 6 months, it won’t be on fundamentals exams yet.
- Anything that makes you think “this feels like a DBA or data engineer topic.” DP-900 is fundamentals. Stay at 30,000 feet.
Your Next Move
Stop reading about the DP-900. Right now, today:
- Pull up your first exam’s score report. Identify your two lowest-scoring domains.
- Open Microsoft Learn and find the official module for domain #1 (lowest score).
- Read it straight through without stopping. Finish today.
That’s it. That’s your next action. Not “start studying.” Not “make a plan.” Read one module today, start the week-one cycle tomorrow, and schedule your retake for exactly 14 days from now.
The exam hasn’t changed. You have. You’ve seen it once. You know what to expect. This time, attack your specific weaknesses instead of re-studying everything. You’ll pass.