EDW-2011-Johnston

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PRODUCTSTeradata 13.10R. T. Snodgrasshttp://www.cs.arizona.edu/people/rts/sql3.htmlTeradata database 13.10 includes the period data type, valid-time support, transactiontimesupport, timeslices, temporal upward compatibility, sequenced primary key andtemporal referential integrity constraints, nonsequenced queries, and sequencedprojection and selection, in a manner almost identical to that proposed inSQL/Temporal.Slide 6.EDW 2011Understanding Bitemporal Data. © 2011, Asserted Versioning, LLC
PRODUCTSThe Asserted Versioning FrameworkR. T. Snodgrass, back cover of Managing Time in Relational Databases.“….. an original and comprehensive approach called Asserted Versioning ….. includessupport for bitemporality and is a significant advance in the theory and practice ofmanaging time-varying data.”Slide 7.EDW 2011Understanding Bitemporal Data. © 2011, Asserted Versioning, LLC
Page 1 and 2: UNDERSTANDING BITEMPORAL DATADetail
Page 3 and 4: READINGSRichard T. SnodgrassDevelop
Page 5: PRODUCTSOracle 11g, Workspace Manag
Page 9 and 10: Part IITwo Kinds of ChangesSlide 9.
Page 11 and 12: TWO KINDS OF CHANGESThings change s
Page 13 and 14: TWO “WHEN” QUESTIONSWhen were t
Page 15 and 16: NON-TEMPORAL DATAclnt-idtxn-dtnameT
Page 21 and 22: Part IVPoint in Time VersioningSlid
Page 23 and 24: POINT IN TIME VERSIONINGclnt-idtxn-
Page 25 and 26: POINT IN TIME VERSIONINGclnt-idtxn-
Page 27 and 28: Part VDelete Flag VersioningSlide 2
Page 29 and 30: DELETE FLAG VERSIONINGclnt-idtxn-dt
Page 31 and 32: DELETE FLAG VERSIONINGclnt-idtxn-dt
Page 33 and 34: PERIOD OF TIME VERSIONINGclnt-id ef
Page 35 and 36: PERIOD OF TIME VERSIONINGclnt-id ef
Page 37 and 38: VERSIONS VS. CORRECTIONSclnt-id eff
Page 39 and 40: Part VIIIPeriod of Time PK Versioni
Page 41 and 42: Part IXBitemporal DataSlide 41.EDW
Page 43 and 44: BITEMPORAL DATAclnt-id eff-beg-dt e
Page 45 and 46: BITEMPORAL DATAclnt-id eff-beg-dt e
Page 47 and 48: Part XHiding the Complexities With
Page 49 and 50: VIEWS: A VERSION TABLEclnt-id eff-b
Page 51 and 52: VIEWS: A NON-TEMPORAL TABLEclnt-idn
Page 53 and 54: Part XISome Important ViewsSlide 53
Page 55 and 56: VIEWS: HISTORY/VERSION TABLES• In
Page 57 and 58:
Part XIIVersioning,Standard Bitempo
Page 59 and 60:
STANDARD BITEMPORAL DATACurrent Dat
Page 61 and 62:
Part XIIIConclusionsSlide 61.EDW 20
Page 63:
QUESTIONS1. How do Kimball’s slow
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EDW-2011-Johnston

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