SQL2

SQL2

(database, standard, language)
An extended version of the SQL standard.
References in periodicals archive ?
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].
2001a) SQLf Flexible Querying Language Extension by means of the norm SQL2, The 10th IEEE International Conference on Puzzy Systems, Vol.
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.