Download or read book Temporal Data & the Relational Model written by C.J. Date and published by Morgan Kaufmann. This book was released on 2003 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.