References and arrow notation instead of join operation in query languages.
Alexandr SavinovPublished in: Comput. Sci. J. Moldova (2012)
Keyphrases
- join operations
- query language
- nested relations
- path expressions
- relational database systems
- relational algebra
- join algorithms
- data model
- xml queries
- expressive power
- xml data
- efficient processing
- recursive queries
- tree structures
- conjunctive queries
- complex objects
- semistructured data
- query evaluation
- object oriented
- normal form
- data distribution
- relational model
- xml documents
- cost model
- databases
- data points
- database systems