Method and apparatus for changing reference of database
First Claim
1. A method for handling a database recorded on a recording medium, comprising the following sequence of steps:
- (Step-1) a step of accessing a referencing record, and accessing a reference that has been recorded to said referencing record,(Step-2) a step of accessing a referenced record that has been indicated by said reference,(Step-3) a step of accessing information that has been recorded to said referenced record, and keeps an order of changing said reference so as to indicate another record, and(Step-4) a step of changing said reference so as to indicate said another record, according to said information.
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Abstract
Introduced is information that indicates a changing of “a reference that points a referenced record” to “another reference that points another record”. This information is named as “changing reference information (CRI)” and is registered to a referred record. When accessing a referencing record, there is a possibility to access referenced record by necessity of a program or an operator. At this time, CRI registered to originally referenced record is accessed. And the reference is changed to new record as indicated by the CRI. Thus, status of a DB in a device is changed by the invention. When PCs have reproduced DBs that are copy of the original and edit their own reproduced DBs so as to change a reference, these editorial contents with CRI will be propagated to other PCs. Other PCs change references of their reproduced DBs according to the CRIs.
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Citations
9 Claims
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1. A method for handling a database recorded on a recording medium, comprising the following sequence of steps:
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(Step-1) a step of accessing a referencing record, and accessing a reference that has been recorded to said referencing record, (Step-2) a step of accessing a referenced record that has been indicated by said reference, (Step-3) a step of accessing information that has been recorded to said referenced record, and keeps an order of changing said reference so as to indicate another record, and (Step-4) a step of changing said reference so as to indicate said another record, according to said information. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for handling a database, comprising:
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a non-transitory recording medium holding said database that contains a reference that has been recorded to a referencing record, and indicates a referenced record, and information that has been recorded to said referenced record, and keeps an order of changing said reference so as to indicate another record, and a means of performing a process containing the following sequence of steps; (Step-1) a step of accessing said referencing record, and accessing said reference, (Step-2) a step of accessing said referenced record, (Step-3) a step of accessing said information, and (Step-4) a step of changing said reference according to said information, so as to indicate said another record. - View Dependent Claims (8, 9)
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Specification