EDW-2011-Johnston

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PERIOD OF TIME VERSIONINGclnt-id eff-beg-dt eff-end-dt name txn-dtC-335 09/01/10 11/22/10 Smith 09/01/10Today is: 12/21/10.Delete client C-335.C-335 11/22/10 12/21/10 9999 Jones 11/22/10Slide 34.EDW 2011Understanding Bitemporal Data. © 2011, Asserted Versioning, LLC
PERIOD OF TIME VERSIONINGclnt-id eff-beg-dt eff-end-dt name txn-dtC-335 09/01/10 11/22/10 Smith 09/01/10Today is: 03/22/11.Insert client C-335.C-335 11/22/10 12/21/10 Jones 11/22/10C-335 03/22/11 9999 Jones 03/22/11Period of time versioning seems to work pretty well.This kind of data answers all the questions we’ve asked so far.But suppose a version contains a mistake.How do you correct a version?Slide 35.EDW 2011Understanding Bitemporal Data. © 2011, Asserted Versioning, LLC
Page 1 and 2: UNDERSTANDING BITEMPORAL DATADetail
Page 3 and 4: READINGSRichard T. SnodgrassDevelop
Page 5 and 6: PRODUCTSOracle 11g, Workspace Manag
Page 7 and 8: PRODUCTSThe Asserted Versioning Fra
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: 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

EDW-2011-Johnston

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