SQL-based semantics for path expressions over hierarchical data in relational databases.
Johanna VainioMarko JunkkariPublished in: J. Inf. Sci. (2014)
Keyphrases
- hierarchical data
- path expressions
- relational databases
- xml data
- xml documents
- xml databases
- xml queries
- recursive queries
- sql queries
- relational model
- relational database systems
- relational data
- semi structured data
- xml schema
- keyword search
- query optimization
- data model
- query evaluation
- database technology
- query language
- database
- xpath queries
- databases
- functional dependencies
- object oriented
- query processing
- normal form
- complex objects
- regular expressions
- schema mappings
- integrity constraints