{"id":330,"date":"2025-08-04T15:51:47","date_gmt":"2025-08-04T15:51:47","guid":{"rendered":"https:\/\/dataopsschool.com\/blog\/?p=330"},"modified":"2025-08-04T15:52:50","modified_gmt":"2025-08-04T15:52:50","slug":"data-engineer-associate-certification","status":"publish","type":"post","link":"https:\/\/dataopsschool.com\/blog\/data-engineer-associate-certification\/","title":{"rendered":"Data Engineer Associate Certification (July\u202f25,\u202f2025 version)"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddf0 1. Data Engineer Associate Certification (July\u202f25,\u202f2025 version)<\/h2>\n\n\n\n<p><strong>Exam domains &amp; weights are based on the updated guide published for exams taken on or after July\u202f25,\u202f2025<\/strong> ().<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Domain 1: Databricks Intelligence Platform (\u224810%)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Understand Databricks architecture (control plane vs data plane)<\/li>\n\n\n\n<li>Workspace components: notebooks, clusters, Repos, magic commands<\/li>\n\n\n\n<li>Git integration via Repos &amp; version control<\/li>\n\n\n\n<li>Compute types: serverless vs interactive clusters, selection strategies<\/li>\n\n\n\n<li>Platform UI: query optimizers, performance\/compute selection advantages<br><strong>Hands-on:<\/strong> Create and manage Repos, launch clusters (including serverless), explore the UI features.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Domain 2: Development &amp; Ingestion (\u224830%)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data ingestion using Spark SQL and PySpark<\/li>\n\n\n\n<li>COPY INTO, Auto Loader, schema inference, handling complex types: JSON, structs, arrays<\/li>\n\n\n\n<li>SQL DML (INSERT, MERGE, UPSERT, INSERT OVERWRITE), view creation<\/li>\n\n\n\n<li>User-defined functions (UDFs) in SQL and PySpark<\/li>\n\n\n\n<li>Databricks Connect to develop locally while executing on remote clusters (, , )<br><strong>Hands-on:<\/strong> Load JSON\/XML and CSV into Delta using COPY INTO and Auto Loader; write UDFs; run local code via Databricks Connect.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Domain 3: Data Processing &amp; Transformations (\u224831%)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Multi-hop ETL architecture: Bronze \u2192 Silver \u2192 Gold layers<\/li>\n\n\n\n<li>Delta Lake internals: ACID transactions, schema evolution, time travel, versioning<\/li>\n\n\n\n<li>Table maintenance: VACUUM, OPTIMIZE, ZORDER, Cloning<\/li>\n\n\n\n<li>Change data capture (CDC) and COPY INTO<\/li>\n\n\n\n<li>Declarative pipeline building via Delta Live Tables (DLT): LIVE vs STREAM, error handling<\/li>\n\n\n\n<li>Managed vs external tables; DDL &amp; DML operations in Delta<br><strong>Hands-on:<\/strong> Build a full DLT pipeline; practice MERGE, OPTIMIZE, time travel; partition and Z\u2011order tables.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Domain 4: Productionizing Data Pipelines (\u224818%)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Databricks Workflows &amp; Jobs: multi-task DAGs, task dependencies, parameterization<\/li>\n\n\n\n<li>Scheduling with CRON, retries, alerts and notifications<\/li>\n\n\n\n<li>CI\/CD integration via Repos, Asset Bundles (DAB) deployment workflows (, , )<br><strong>Hands-on:<\/strong> Orchestrate a multi-step job, configure retries and alerts, deploy a pipeline via Asset Bundles.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Domain 5: Data Governance &amp; Quality (\u224811%)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unity Catalog components: catalogs, schemas, tables, privileges<\/li>\n\n\n\n<li>Role-based access control: grants, service principals, SCIM<\/li>\n\n\n\n<li>Secure clusters, object controls, metadata management<\/li>\n\n\n\n<li>Data quality concepts: expectations, constraints, validation rules<\/li>\n\n\n\n<li>Delta Sharing for external data collaboration across organizations (, )<br><strong>Hands-on:<\/strong> Set up Unity Catalog hierarchy, assign permissions, enable Delta Sharing, create data quality constraints.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>\ud83e\uddf0 1. Data Engineer Associate Certification (July\u202f25,\u202f2025 version) Exam domains &amp; weights are based on the updated guide published for exams taken on or after July\u202f25,\u202f2025 ()&#8230;. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-330","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=330"}],"version-history":[{"count":3,"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/330\/revisions"}],"predecessor-version":[{"id":333,"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/330\/revisions\/333"}],"wp:attachment":[{"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dataopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}