Purpose of this chapter is to describe the different research proposals and the facilities of main enabled and native XML DBMSs to handle XML updates at document and schema level, and their versions. Specifically, the chapter will provide a review of various proposals for XML document updates, their different semantics and their handling of update sequences, with a focus on the XQuery Update proposal. Approaches and specific issues concerned with schema updates will then be reviewed. Document and schema versioning will be considered. Finally, a review of the degree and limitations of update support in existing DBMSs will be discussed.
Document and Schema XML Updates
OLIBONI, Barbara;
2010-01-01
Abstract
Purpose of this chapter is to describe the different research proposals and the facilities of main enabled and native XML DBMSs to handle XML updates at document and schema level, and their versions. Specifically, the chapter will provide a review of various proposals for XML document updates, their different semantics and their handling of update sequences, with a focus on the XQuery Update proposal. Approaches and specific issues concerned with schema updates will then be reviewed. Document and schema versioning will be considered. Finally, a review of the degree and limitations of update support in existing DBMSs will be discussed.
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