Tài liệu PROPAGATION TIME / RESOLUTION pdf

Ngày tải lên: 22/01/2014, 11:20

... effective time and assertion time. As well as additional diagrams which focus more on effective time than assertion time, we also present an in-line notation for single asserted Managing Time in ... that object. There will be no periods of time at which two or more rows will both claim to describe the object as it was/is/will be during a period of time in its life history. There w...

Ngày tải lên: 24/12/2013, 02:16

... point in time, the episode consi sts of a single version with an effective time period beginning in January 2010 and extending to 1 2/3 1/9 999. Because the effective end date is 1 2/3 1/9 99 9, this ... assert a closed episode, and remove all traces of P861, in current assertion time, from the time period of [Dec 2010 – 1 2/3 1/9 999]. This is what the result of a delete a...

Ngày tải lên: 21/01/2014, 08:20

... effective time it affects. As a relationship between a point in time and a period of time, the basic options are that the point in time can be earlier than the period of time, within the period of time, ... transaction has an oid, an effective time period, and an assertion time period. The default effective time period for a temporal transac tion is [Now() – 1 2/3 1/9 999],...

Ngày tải lên: 21/01/2014, 08:20

... compare any two time periods in effective time, we are assumi ng that they exist in shared assertion time. When one of those time periods is on a tran saction, that assertion time cannot begin ... was 1 2/3 1/9 999. This is guaranteed because (i) all versions are cre- ated with an assertion end date of 1 2/3 1/9 999, and (ii) the AVF will never alter an assertion end date that...

Ngày tải lên: 21/01/2014, 08:20

... eff_end_dt, client, type, copay FROM Policy_V_Curr_Hist WHERE eff-beg >¼ 0 1/0 1/2 009 AND eff_end_dt < 0 1/0 1/2 010 Current Data: Current Claims About the Present The Current Data dataset consists ... or overlapping periods of effective time, assertion time is not needed in this view. All the rows in this dataset are currently asserted rows. And so only one time period is...

Ngày tải lên: 21/01/2014, 08:20

... most rows are created with a known (non-1 2/3 1/9 999) effective end date, nothing else is needed in the index. But for tables in which most rows are created with a 1 2/3 1/9 999, “until further notice”, effective ... assertion time status, and will do so “quietly”, simply because of the passage of time. Row 7 will fall into the assertion time past and, at the same moment, row 8...

Ngày tải lên: 26/01/2014, 08:20

... table whose assertion time and/or effective time is co-extensive with its physical presence in its table. Semantics: a row of data whose assertion time and/or effective time is not expressed ... exist in non-current assertion time and/or non-current effective time. Components: asserted version table, assertion time, current assertion, current version, effective time, external pi...

Ngày tải lên: 26/01/2014, 08:20

... mm away from the sprayer orifice. A solvent mixture (methanol/water/acetic acid 40 %/4 0 %/2 0%) was electro-sprayed at a flow rate of 5 mL/min infused by a syringe pump (Harvard Apparatus, Holiston, ... including protonated acetic anhydride (m/z 103), protonated benzyl acetate (m/z 151), a side product (m/z 301) and intermediate B (m/z 273) as a function of time are shown in Fig. 5. The...

Ngày tải lên: 14/02/2014, 08:20