A Dichotomy in Consistent Query Answering for Primary Keys and Unary Foreign Keys.

Miika Hannula Jef Wijsen

Published in: PODS (2022)

Keyphrases

foreign key
integrity constraints
consistent query answering
query answering
conjunctive queries
functional dependencies
relational databases
null values
xml schema
database schema
primary key
database
xml documents
databases
sql queries