Specifications are thus restricted to being written entirely in terms of relational algebra expressions. An automated test case generation method is developed for such specifications.

Overview: Apache SystemDS is an open-source machine learning (ML) system for the end-to-end data science lifecycle from data preparation and cleaning, over efficient ML model training, to debugging ...

Abstract: OpenGIS SQL is a standard for incorporating GIS and spatial concepts into SQL. Two types of methods are part of OpenGIS SQL: (1) boolean methods for topological relationships among spatial ...

CASA0025 SQL exam (15 credits, 30% weight) tests DuckDB implementation in Google Colab for urban data analysis. We demonstrated spatial query techniques through time-constrained database challenges ...