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Related lectures (11)
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OLAP: Overview and Queries
Introduces OLAP concepts, schemas, queries, and optimizations for efficient data analysis.
Data Warehouses and Decision Support Systems
Explores data warehouses, decision support systems, OLAP, data lakes, multidimensional data models, and query optimizations.
OLAP Data Model: Multidimensional and Relational Approaches
Explains OLAP data models, focusing on multidimensional and relational approaches.
OLAP Queries: Aggregations, Cube Operator, and Optimizations
Explores OLAP queries, cube operator, super-aggregates, and optimization techniques.
OLAP Queries and Optimizations
Covers OLAP queries, examples of comparisons, ranking, and optimizations for query performance.
Data Warehouses and Decision Support Systems
Explores views in data warehouses, materialization tradeoffs, top-k queries optimizations, and the impact of column stores.
Data Warehousing and Decision Support
Explores data warehousing, decision support systems, and the importance of statistics in data analysis.
Data Wrangling: Structuring and Wrangling Issues
Covers data wrangling stages, structuring techniques, and common issues in data preparation.
Views: Simplifying SQL Queries
Explores views in SQL, covering creation, materialization, maintenance, cube building, and top-k queries optimizations.
Data Warehousing: Overview and Challenges
Introduces data warehousing fundamentals, challenges, and the innovative concept of a 'lakehouse'.
