More than 2000+ questions for preparing a Data Engineer interview.

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Interview questions for Data Engineer

Databases and Data Warehouses
GitHub Repo	Official page	Questions	Description	Useful links
		Apache Cassandra	Cassandra is a distributed, wide-column store, NoSQL database management system.	Awesome Cassandra
		Greenplum	Greenplum is a big data technology based on MPP architecture and the Postgres open source database technology.	Awesome Greenplum
		MongoDB	MongoDB is a document-oriented database.	Awesome MongoDB
		Apache Hbase	HBase is an open-source non-relational distributed database.	Awesome HBase
		Apache Hive	Apache Hive is a data warehouse software project built on top of Apache Hadoop for providing data query and analysis.	Awesome Hive
		Amazon DynamoDB	Amazon DynamoDB is a fully managed proprietary NoSQL database service.	Awesome DynamoDB Awesome AWS
		Amazon Redshift	Amazon Redshift is a data warehouse product.	Amazon Redshift Utilities Awesome AWS
		BigQuery GCP	BigQuery is a fully-managed, serverless data warehouse.	Awesome BigQuery
		Bigtable GCP	Bigtable is a fully managed wide-column and key-value NoSQL database service.	Awesome Bigtable
Data Formats
		Apache Avro	Avro is a row-oriented remote procedure call and data serialization framework.	Awesome Avro
		Apache Parquet	Apache Parquet is a column-oriented data file format designed for efficient data storage and retrieval.	TODO
		Delta	Delta Lake is a storage framework that enables building a Lakehouse architecture with compute engines	Delta examples
Big Data Frameworks
		Apache Airflow	Apache Airflow is a workflow management platform for data engineering pipelines.	Awesome Airflow
		Apache Flume	Apache Flume is a distributed, reliable, and available software for efficiently collecting, aggregating, and moving large amounts of log data.	TODO
		Apache Hadoop	Apache Hadoop is a collection of software utilities that facilitates using a network of many computers to solve problems involving massive amounts of data and computation.	Awesome Hadoop
		Apache Impala	Apache Impala is a parallel processing SQL query engine for data stored in a computer cluster running Apache Hadoop.	TODO
		Apache Kafka	Apache Kafka is a distributed event store and stream-processing platform.	Awesome Kafka
		Apache NiFi	Apache NiFi is a software project designed to automate the flow of data between software systems.	Awesome NiFi
		Apache Spark	Apache Spark is unified analytics engine for large-scale data processing.	Awesome Spark
		Apache Flink	Apache Flink is unified stream-processing and batch-processing framework.	Awesome Flink
		Kubernetes	Kubernetes is a system for managing containerized applications across multiple hosts.	Awesome Kubernetes
Cloud providers
		Amazon Web Services	Amazon web service is an online platform that provides scalable and cost-effective cloud computing solutions.	Awesome AWS
		Microsoft Azure	Microsoft Azure is Microsoft's public cloud computing platform.	Awesome Azure
		Google Cloud Platform	Google Cloud Platform is a suite of cloud computing services.	Awesome GCP
Theory
		DWH Architectures	A data warehouse architecture is a method of defining the overall architecture of data communication processing and presentation that exist for end-clients computing within the enterprise.	Awesome databases
		Data Structures	A data structure is a specialized format for organizing, processing, retrieving and storing data.	TODO
		SQL	SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS).	Awesome SQL
Data visualization tools
		Tableau	Tableau is a powerful data visualization tool used in the Business Intelligence.	TODO

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