Prepstellar
Sign in Get it on Google Play

Blog

What's changing in cloud and data certifications

22 articles · 13 exams tracked

When a vendor moves an exam or rewrites the documentation behind a course, we write down what changed and link the source. The dates all live in the exam calendar.

Power BI just got a Gantt chart. Does it matter for PL-300? The October Power BI update brings a new visual for timelines and a new way to show slicers. What they do, how to turn them on, and whether they belong in your PL-300 notes. Databricks real-time mode is here. Is it on the Data Engineer Associate exam? Databricks has a new way to run streaming pipelines with very low latency. What real-time mode is, how it differs from the streaming you study, and whether it belongs in your exam notes. Snowflake now has secondary indexes. Will they show up on COF-C03? Snowflake has a new way to speed up selective lookups. Here is what secondary indexes are, how they compare with the tools you study for COF-C03, and whether they belong in your notes. Studying for SAA-C03? Read this before your next study session AWS has published a new version of the SAA-C03 exam guide. Here is what changes in the service lists, what stays the same, and whether your study plan needs to move. Taking Databricks Data Engineer Associate? Its exam guide has changed Databricks has swapped the exam guide for the Data Engineer Associate. What changed, what stayed the same, and what to check in your study material before you book. SnowPro Core COF-C03: where to put your study hours One domain of SnowPro Core COF-C03 carries almost a third of the exam. Which one, how the exam is scored and delivered, and why its objectives date is hard to find. AIF-C01 added a topic this year. Is it in your study plan? Version 1.1 of the AIF-C01 guide added a topic that older study material does not cover. What it is, when it reached the exam, what the five domains weigh, and how scoring works. Databricks Data Engineer Associate: read this before the sample questions The Databricks exam guide comes with sample questions, but there is a catch to know before you rely on them. Plus the seven sections, their weights, and the objectives that ask you to choose. Preparing DP-900? The distinctions the exam keeps coming back to DP-900 keeps asking you to tell similar things apart. The distinctions that come up again and again, what the four skill areas weigh, and how the exam is delivered. AZ-104 changed in April. What that means for your prep AZ-104 objectives changed in April. Which groups moved, what the five skill areas weigh, and the services that are easy to confuse on exam day. Taking SAA-C03? What you need to know before you book Before you book SAA-C03: how the exam is actually scored, what each of the four domains weighs, whether a new version is coming, and where the task statements get specific. Studying for PL-300? What Microsoft changed in April The April change log flags three groups of PL-300 objectives as changed. Which ones, what the four skill areas weigh, and how the exam is delivered. PL-900 changed in July. Is your study material still right? PL-900 changed in July 2026: one skill area is new and one is gone. What the exam measures now, how it is delivered, and how to plan your study around the new weights. Preparing AZ-900? Start with the part that weighs the most One of the three skill areas of AZ-900 weighs more than the others. Which one, how the exam is scored, and the objectives that are easy to mix up. Studying for DP-750? Two changes you need to know about DP-750 changes on 19 October, and two of the changes touch what you study. What they are, what the four skill areas weigh, and the objectives where you must choose the right tool. Taking DP-600 this autumn? What the October update means for you DP-600 gets new objectives in October. How much actually changes, the skill area that carries almost half the exam, and the objectives that deserve extra time. Studying for DP-700? What the October update means for you DP-700 gets new objectives in October. How much actually changes, what the three skill areas weigh, and the objectives that ask you to pick one tool over another. DP-600, DP-700 or DP-750 on your list? What changes in October Microsoft published new objectives for DP-600, DP-700 and DP-750. We compared every line with the current ones: most barely move, but two changes are worth knowing before you sit the exam. Taking SAA-C03 in Italian? What you need to know AWS has announced a change to the Italian version of SAA-C03, with a firm date. If you planned to take it in Italian, here is what changes, what stays, and whether a new exam replaces it. Taking AIF-C01 in Italian or German? What you need to know AWS has announced a change to the Italian and German versions of AIF-C01, with a firm date. If you planned to sit it in either language, here is what changes and what stays the same. AWS changed the AI Practitioner exam. What you need to know Version 1.1 of the AIF-C01 guide rewrote four objectives and added services you are now expected to know. Here is exactly what changed, line by line, and what to study again. Five Microsoft exams changed in the same week. Is yours one of them? Five Microsoft exams moved to new objectives within days of each other in July. Check whether yours is one of them, what the new date means, and which exams are still on older versions.

The whole course, on your computer and your phone

Lessons you can read, audio you can listen to on the way to work, and practice that remembers what you got wrong.

Opens in your browser. Nothing to install.

Start studying

On your phone, with the same account

Get it on Google Play

“This app is the ‘One Lake’ for preparing the certification exams. Really worth it.”

Abdelhak Y. Google Play review