Conjunctive Queries with Theta Joins Under Updates.
Muhammad IdrisMartín UgarteStijn VansummerenHannes VoigtWolfgang LehnerPublished in: CoRR (2019)
Keyphrases
- conjunctive queries
- query evaluation
- join queries
- query language
- data complexity
- query answering
- integrity constraints
- np complete
- decision procedures
- query containment
- probabilistic databases
- data exchange
- query rewriting
- query processing
- data management
- deductive databases
- datalog programs
- query optimization
- special case
- sql queries
- bounded treewidth
- primary key
- transitive closure
- join algorithms
- relational algebra
- incomplete information
- relational databases
- objective function
- relational queries
- databases
- boolean expressions
- database