Along with the time passage, I also contacted the more jewelry work, simultaneously had also understood the jewelry attached deeper meaning. [translate] a9d好多 9d many [translate] aStudies in 研究 [translate] acoming through a GPS receiver as well as 3D head orientation data 来通过GPS接收器...
Moreover, the information or events about scanned or read carriers does not have any meaning if it is not put into the right business context. For example, scanning a barcode of a product at a Point of Sales (POS) generates an event that could be used either by the logic processing a ...
Called surrogate keys, the values for these artificial keys have no intrinsic meaning, such as a FacultyID value of “T1234” or an Employee_Number of “387.” In theory, ER should never be a problem in a well-designed database because two entity instances should be equivalent if, and ...
Because there is no context tracking it, it has no meaning to Entity Framework.Added StateWhen an entity is in the Added state, you have few options. In fact, you can only detach it from the context. Naturally, even if you modify some property, the state remains Added, because moving ...
Where appropriate, the terms interactions and transactions are intended to convey the same meaning and can be used interchangeably throughout this disclosure. While each interaction of data structure 400 is depicted as a separate row in FIG. 4, it will be understood that each such interaction can...
dbms_lob conversion dbo and [] for table name sources ? Correct me Deadlock in tempdb Deadlock on insert and select on same table Deadlock while inserting into sql server table from multiple machines DeadLocks on e_waitPipeNewRow Wait type Decimal (18,5) to NUMERIC (15,6) Conversion Dec...
含有屬性的關係什麼情況可以轉為聯合實體( Associative Entity ) All relationships for the associative entity should be many 所有參與關係的實體類型之間都是「多」的關係 The associative entity could have meaning independent of the other entities 最終的聯合實體類型具有獨立的意義 The associative entity ...
含有屬性的關係什麼情況可以轉為聯合實體( Associative Entity ) All relationships for the associative entity should be many 所有參與關係的實體類型之間都是「多」的關係 The associative entity could have meaning independent of the other entities 最終的聯合實體類型具有獨立的意義 The associative entity ...
2.Precise(精確性):itsmeaningmustbeclear,haveonlyone interpretation 明確、有共識的意涵 3.Atomic(單一性、不可分割性):onestatement 單一陳述 4.Consistent(一致性):mustbeconsistentwithotherrulesinternally andexternally 內部一致性(不能包含衝突的陳述),與其他法則 維持一致性(不能互相矛盾) 5.Expressible(表達...