SQL2 | Article about SQL2 by The Free Dictionary

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For example, TSQL2, temporal structured query language was defined as an extension of SQL2 where the underlying model was the bi-temporal conceptual data model [Snodgrass, 1986].

Temporal data management in NoSQL databases

2001a) SQLf Flexible Querying Language Extension by means of the norm SQL2, The 10th IEEE International Conference on Puzzy Systems, Vol.

Implementation de requisitos en sistemas orientados a datos con lenguaje OCL y logica difusa

Outerjoins are available today in a number of implementations of SQL, and they are included in the ISO-ANSI standard draft for SQL2 [ANSI 1992].

In Section 2 we assumed queries were represented as fully parenthesized operator trees (as SQL2 does for outerjoins), which define a unique result.

David [1991] uses a graph as a conceptual visualization for parenthesized SQL2 outerjoins.

Outerjoin simplification and reordering for query optimization

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