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Bill of parts?

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Bill of parts? Database Management forum discussing non-database specific SQL. Structured Query Language was designed to be a robust and standardized language for manipulating relational databases.

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Old July 20th, 2003, 06:50 PM
Axoliien Axoliien is offline
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Bill of parts?
I am trying to learn more about how to properly design an efficient algorithm for a "bill of parts" where parts are made up of parts which are made up of parts and so on, in which a database has an M:N relationship with itself. If anyone knows of any database design examples, tutorials, etc that I may examine thoroughly that would be very helpful.
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Old July 20th, 2003, 07:17 PM
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Code:
table.part
ID
parentID
...
parentID contains the ID of the parent part, or the part in which the current part exists. If parentID is 0, then it's a part that contains other parts, but is not contained in any other part. This layout will allow unlimited depth of parts within parts within parts.
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Old July 20th, 2003, 07:24 PM
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One approach ss to create a hierarchy resembling a family tree.
Part PartID
----- ---------
test 1
subtest 1.1
anotherpart 1.2
secondpart 1.1.1
and so on.
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