| Original language | English |
|---|---|
| Title of host publication | Encyclopedia of Database Systems |
| Editors | LING LIU, M. TAMER ÖZSU |
| Place of Publication | Boston, MA |
| Publisher | Springer |
| Pages | 1081-1083 |
| Number of pages | 3 |
| ISBN (Electronic) | 978-0-387-39940-9 |
| ISBN (Print) | 978-0-387-35544-3 |
| DOIs | |
| Publication status | Published - 2009 |
Abstract / Description of output
The study of expressive power concentrates on comparing classes of queries that can be expressed in different languages, and on proving expressibility – or inexpressibility – of certain queries in a query language.