The following example uses the API to access a "library" database. In-order traversal of very large numbers of data records.
That are considered efficient for insertion and deletion as well as Often implemented through the use of persistent B-tree data structures Providing a means of traversing keys in a deterministic order. Keys and their corresponding values (one or more per key), and It does so by using transactional databases to store Key-value data management that is at the heart of most sophisticated This specification provides a concrete API to perform advanced Searching over values, or storage of duplicate values for a key. However, it does not provide in-order retrieval of keys, efficient is useful for storing pairs of keys and their corresponding values. Satisfy off-line data requirements of Web applications. User agents need to store large numbers of objects locally in order to Indexed Database API 3.0 is intended to supersede Indexed Database API 2.0. This is the Third Edition of Indexed Database API.īecame a W3C Recommendation on 8 January 2015.īecame a W3C Recommendation on 30 January 2018. This document is governed by the 2 November 2021 W3C Process Document. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group that page also includes instructions for disclosing a patent. This document was produced by a group operating under the W3C Patent Policy. It is inappropriate to cite this document as other than work in progress. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. Publication as a Working Draft does not imply endorsement by W3C and its Members. Please use GitHub issues Historical discussions can be found in the archives. This document was published by the Web Applications Working Group as a Working Draft using the Recommendationįeedback and comments on this specification are welcome. This document is intended to become a W3C Recommendation. This document was published by the Web Applications Working Group as a Working Draft.
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