164 articles in Data Science & AI · Free

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Databricks Data Engineer Associate 2026 — syllabus breakdown, 60-question exam, $200 cost, 70% passing score, prep resources, and a 6-week study plan. Earns 15–30% salary premium.

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Azure Databricks — first-party Azure service based on Apache Spark and Delta Lake. Architecture, integration with Azure services (ADLS, Synapse, Data Factory), use cases (lakehouse, ML, GenAI), and cost optimisation.

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Databricks certification 2026 — all paths (Data Engineer Associate/Professional, Data Scientist Associate/Professional, Machine Learning Engineer, Generative AI Engineer). Costs, syllabus, salary impact, and prep plan.

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Unstructured data examples — image (JPG/PNG), video (MP4), audio (MP3), PDF, DOCX, log files. How unstructured differs from structured/semi-structured. Storage (S3, ADLS) and processing tools (Spark, NLP, computer vision).

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What is the purpose of a schema in a database — logical vs physical schema, schema vs database, examples in PostgreSQL/MySQL/SQL Server, star schema vs snowflake schema, and best practices.

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Database engineer career in India 2026 — role (PostgreSQL/MySQL/MongoDB/Oracle), skills (SQL tuning, replication, backups, security), salary ₹8–60 LPA, and roadmap from fresher to senior DBA.

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What is data engineering in 2026 — role breakdown (ETL/ELT, pipelines, warehouses, lakes), top skills (Spark, Airflow, dbt, Snowflake, Databricks), salary (₹8–70 LPA), and a clear 12-month roadmap.

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Clear breakdown of AI vs Data Science vs Machine Learning vs Deep Learning — definitions, what each field does, the relationship between them, real examples, and career paths.
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