An Online Tutoring and Assessment System for Teaching Relational Algebra in Database Classes.
Hasan M. JamilKallol NahaFarjahan R. ShawonPublished in: ICWL (2023)
Keyphrases
- relational algebra
- query language
- data model
- database
- relational database systems
- relational calculus
- data manipulation
- relational model
- online learning
- relational data model
- expressive power
- relational databases
- universal relation
- normal form
- null values
- algebraic operations
- database query languages
- databases
- relational algebra expressions
- intelligent tutoring
- database management systems
- complex objects
- database systems
- first order logic
- functional dependencies
- summary tables
- relational operators
- transitive closure
- query evaluation
- sql queries
- statistical databases
- probabilistic databases
- machine learning
- recursive queries
- incomplete information
- high level
- query processing
- aggregate functions
- multi dimensional
- database technology
- temporal databases
- intelligent tutoring systems