Temporal data and the relational model : a detailed investigation into the application of interval and relation theory to the problem of temporal database management /
Основен автор: | Date, C. J. |
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Други автори: | Darwen, Hugh., Lorentzos, Nikos A. |
Формат: | Електронна книга |
Език: | English |
Публикувано: |
Amsterdam ; Boston [Mass.] :
Morgan Kaufmann Publishers,
℗♭2003.
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Издание: | 1st ed. |
Предмети: | |
Онлайн достъп: |
http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=210507 |
Подобни документи: |
Print version::
Temporal data and the relational model. |
Съдържание:
- A review of relational concepts
- An overview of Tutorial D
- Time and the database
- What is the problem?
- Intervals
- Operators on intervals
- The EXPAND and COLLAPSE operators
- The PACK and UNPACK operators
- Generalizing the relational operators
- Database design
- Integrity constraints 1 : candidate keys and related constraints
- Integrity constraints 2 : general constraints
- Database queries
- Database updates
- Stated times and logged times
- Point and interval types revisited.