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An associative entity is a term used in relational and entity–relationship theory. A relational database requires the implementation of a base relation (or base table) to resolve many-to-many relationships. A base relation representing this kind of entity is called, informally, an associative table. An associative entity (using Chen notation)
An example where this does not work is the logical biconditional ↔. It is associative; thus, A ↔ (B ↔ C) is equivalent to (A ↔ B) ↔ C, but A ↔ B ↔ C most commonly means (A ↔ B) and (B ↔ C), which is not equivalent.
For example, in Japanese, the suffix "-san" when added to a proper name denotes respect, sometimes indicating that the speaker is subordinate to the listener; while the suffix "-chan" denotes that the speaker thinks the listener is a child or childlike (either for purposes of affection or derision).
Pages for logged out editors learn more. Contributions; Talk; Associative Entities
For example, in the "Pasteur Network", microorganisms are not inert, they cause unsterilized materials to ferment while leaving behind sterilized materials not affected. If they took other actions, that is, if they did not cooperate with Pasteur – if they did not take action (at least according to Pasteur's intentions) – then Pasteur's ...
For example, behaviors increase in strength and/or frequency when they have been followed by reward. This occurs because of an association between the behavior and a mental representation of the reward (such as food). Conversely, receiving a negative consequence lowers the frequency of the behavior due to the negative association. [7]
In our example, it can be easier to explain support by writing = = [12] where A and B are separate item sets that occur at the same time in a transaction. Using Table 2 as an example, the itemset X = { b e e r , d i a p e r s } {\displaystyle X=\{\mathrm {beer,diapers} \}} has a support of 1/5=0.2 since it occurs in 20% of all transactions (1 ...
Rather, they show entity sets (all entities of the same entity type) and relationship sets (all relationships of the same relationship type). For example, a particular song is an entity, the collection of all songs in a database is an entity set, the eaten relationship between a child and his lunch is a single relationship, and the set of all ...