The CQL continuous query language: semantic foundations and query execution


CQL, a continuous query language, is supported by the STREAM prototype data stream management system (DSMS) at Stanford. CQL is an expressive SQL-based declarative language for registering continuous queries against streams and stored relations. We begin by presenting an abstract semantics that relies only on “black-box” mappings among streams and relations… (More)
DOI: 10.1007/s00778-004-0147-z
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