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Lecture
Data Warehousing and Decision Support
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Related lectures (27)
Data Wrangling with Hive: Managing Big Data Efficiently
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Data Wrangling with Hadoop: Storage Formats and Hive
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Digital Transformation: Solutions and Data
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Data formats and data wrangling with Hadoop
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Data Wrangling with Hadoop: Advanced Techniques
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Data Science Essentials
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Describing Data: Statistics & Uncertainty
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Data Warehouses and Decision Support Systems
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Explores data warehouses, decision support systems, OLAP, data lakes, multidimensional data models, and query optimizations.
Data Warehouses and Data Lakes
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Covers data warehouses, data lakes, OLTP vs. OLAP, data quality, and the Data Lakehouse concept.
OLAP Queries and Optimizations
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Covers OLAP queries, examples of comparisons, ranking, and optimizations for query performance.
Data Warehousing: Overview and Challenges
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Introduces data warehousing fundamentals, challenges, and the innovative concept of a 'lakehouse'.
Data Wrangling: Structuring and Wrangling Issues
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Covers data wrangling stages, structuring techniques, and common issues in data preparation.
OLAP: Overview and Queries
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Introduces OLAP concepts, schemas, queries, and optimizations for efficient data analysis.
Data Warehouses: Introduction and Challenges
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Covers the introduction and challenges of data warehouses, including integrating data, managing metadata, and optimizing query performance.
Views: Simplifying SQL Queries
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Explores views in SQL, covering creation, materialization, maintenance, cube building, and top-k queries optimizations.
Data Warehouses and Decision Support Systems
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Explores views in data warehouses, materialization tradeoffs, top-k queries optimizations, and the impact of column stores.
OLAP Data Model: Multidimensional and Relational Approaches
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Explains OLAP data models, focusing on multidimensional and relational approaches.
Data Lakes: Structure and Optimization
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Explores data lakes, data structure, and optimization for effective querying.
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