{"product_id":"bitemporal-databases-9783639131871","title":"Bitemporal Databases","description":"\u003cp\u003e • Author(s): Canan Eren Atay | Abdullah Uz Tansel\u003cbr\u003e • Publisher: VDM Verlag\u003cbr\u003e • Publisher Imprint: VDM Verlag\u003cbr\u003e • BISAC: Information Technology\u003c\/p\u003e\u003cp\u003eAll mainstream database systems lack support for temporal metadata, and instead store only the most recent data. Consequently, they can only manage temporal data in an ad hoc manner -- oftentimes not effectively. Yet there are countless application domains that need temporal data. This book offers a much-needed solution: It includes a bitemporal relational data model, based on nested relations, as well as its algebra and calculus languages for expressing queries. The fundamental construct for representing temporal data is a bitemporal atom; a value, its validity period, and the time this data was recorded in the database. The concept of 'context' defines different views of bitemporal data. BtSQL, a simple bitemporal variation of the SQL, is introduced. The book also provides a prototype implementation, which demonstrates the feasibility of the proposed approach in an object-relational database system. Researchers and practitioners in database development will find this book useful. It can be used as a textbook in advanced database courses -- particularly in application domains where temporal metadata can greatly leverage the value of the data as it is stored and utilized.\u003c\/p\u003e","brand":"VDM Verlag","offers":[{"title":"Paperback","offer_id":46883971465367,"sku":"9783639131871","price":6274.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9783639131871.webp?v=1770241480","url":"https:\/\/atlanticbooks.com\/products\/bitemporal-databases-9783639131871","provider":"Atlantic Books","version":"1.0","type":"link"}