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» Executing Nested Queries
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LICS
2007
IEEE
15 years 3 months ago
First-Order and Temporal Logics for Nested Words
Nested words are a structured model of execution paths in procedural programs, reflecting their call and return nesting structure. Finite nested words also capture the structure ...
Rajeev Alur, Marcelo Arenas, Pablo Barceló,...
VLDB
2004
ACM
144views Database» more  VLDB 2004»
15 years 2 months ago
Returning Modified Rows - SELECT Statements with Side Effects
SQL in the IBM® DB2® Universal Database™ for Linux®, UNIX®, and Windows® (DB2 UDB) database management product has been extended to support nested INSERT, UPDATE, and DELET...
Andreas Behm, Serge Rielau, Richard Swagerman
DBPL
1997
Springer
87views Database» more  DBPL 1997»
15 years 1 months ago
Incremental Recomputation of Recursive Queries with Nested Sets and Aggregate Functions
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
Leonid Libkin, Limsoon Wong
DASFAA
1995
IEEE
118views Database» more  DASFAA 1995»
15 years 1 months ago
Combining Indexing Technique with Path Dictionary for Nested Object Queries
A path dictionary encodes the connections among objects in the aggregation hierarchy. It has been shown to be an efficient mechanism for supporting nested object queries [6]. In t...
Wang-Chien Lee, Dik Lun Lee
DEXA
2003
Springer
115views Database» more  DEXA 2003»
15 years 2 months ago
Storing and Querying XML Data in the Nested Relational Sequence Database System
Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...
Ho Lam Lau, Wilfred Ng