join

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join

[jȯin]
(computer science)
A portion of a robotic control program that directs an activity to resume after it has been interrupted.
(mathematics)
The join of two elements of a lattice is their least upper bound.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

join

(database)
inner join (common) or outer join (less common).

join

(theory)
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

join

In relational database management, to match one table (file) against another based on some condition creating a third table with data from the matching tables. For example, a customer table can be joined with an order table creating a table for all customers who purchased a particular product.

The default type of join is known as an "inner" join. It produces a resulting record if there is a matching condition. For example, matching shipments with receipts would produce only those shipments that have been received. On the other hand, an "outer" join using that example would create a record for every shipment whether or not it was received. The data for received items would be attached to the shipments, and empty, or null, fields would be attached to shipments without receipts.


A Simple Join
This example matches the sales table against the product table based on product number to derive the product description.
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References in periodicals archive ?
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e College has joined forces with the Association of Colleges, a membership organisation for further education and sixth form colleges, to campaign against the cuts.
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Hayley Davies, partner and CEO of JCP Solicitors, added: "We are pleased to announce our fourth merger in West Wales, and we are delighted to have joined forces with Pritchard Edwards who are a longestablished respected law firm in the area."
The pair has "joined forces in evaluating a potential proposal for certain assets of the French multinational conglomerate", a statement said.
FOLLOWING the success of Lily Cole's jewellery line with eco brand Veja, the flame-haired model, right, has joined forces with them again to create some trainers exclusively for Sky FOLLOWING the success of Lily Cole's jewellery line with eco brand Veja, the flame-haired model, right, has joined forces with them again to create some trainers exclusively for Sky Rainforest Rescue.
Earlier in the day, Rassoul and his election team formally joined forces with former Abdullah.
CHICAGO--IRI and Spins LLC--which joined forces last year to delve into how U.S.
The companies said that they gave joined forces to develop a range of digital services, including a mobile wallet.