Join may refer to:
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Join (law), to include additional counts or additional defendants on an indictment
*In mathematics:
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Join (mathematics)
In mathematics, specifically order theory, the join of a subset S of a partially ordered set P is the supremum (least upper bound) of S, denoted \bigvee S, and similarly, the meet of S is the infimum (greatest lower bound), denoted \bigwedge S. ...
, a least upper bound of sets orders in lattice theory
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Join (topology), an operation combining two topological spaces
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Join (sigma algebra), a refinement of sigma algebras
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Join (algebraic geometry), a union of lines between two varieties
*In computing:
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Join (relational algebra)
In database theory, relational algebra is a theory that uses algebraic structures with a well-founded semantics for modeling data, and defining queries on it. The theory was introduced by Edgar F. Codd.
The main application of relational algebra ...
, a binary operation on tuples corresponding to the relation join of SQL
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Join (SQL)
A join clause in SQL â corresponding to a join operation in relational algebra â combines columns from one or more tables into a new table. Informally, a join stitches two tables and puts on the same row records with matching fields : INNER, ...
, relational join, a binary operation on SQL and relational database tables
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join (Unix), a Unix command similar to relational join
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Join-calculus, a process calculus developed at INRIA for the design of distributed programming languages
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Join-pattern, generalization of Join-calculus
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Joins (concurrency library)
Joins is an asynchronous concurrent computing API ( Join-pattern) from Microsoft Research for the .NET Framework. It is based on join calculus and makes the concurrency constructs of the CĪ language available as a CLI assembly that any CLI co ...
, a concurrent computing API from Microsoft Research
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Join Network Studio of NENU, a non-profit organization of Northeast Normal University
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Joins.com, the website for South Korean newspaper ''JoongAng Ilbo''
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Joining (woodworking), woodworking processes of combining two or more pieces of wood together, generally through the use of nails or screws
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Joining (metalworking), metalworking processes which combine two or more pieces of metal together, typically by the use of screws or welding
See also
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Joiner
A joiner is an artisan and tradesperson who builds things by joining pieces of wood, particularly lighter and more ornamental work than that done by a carpenter, including furniture and the "fittings" of a house, ship, etc. Joiners may work in ...
, a woodworker who makes and installs architectural woodwork
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Joinery (disambiguation)
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The Joining (disambiguation)
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Joint (disambiguation)
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