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  46) An example of a natural key sequential numbering from

Question :   46) An example of a natural key sequential numbering from : 2066018

 

46) An example of a natural key is sequential numbering from the AutoNumber data type.

47) A surrogate key is not visible to the user.

48) A surrogate key can increase the file size and require more joins.

49) When multiple fields are used to identify a record, it is a composite key, which is sometimes referred to as a concatenated key.

50) A transitive dependency is when the field only depends on one part of a composite or concatenated key. In other words, the field is determined by only one piece of a multifield key.

 

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