Join

Join may refer to:

Join (law), to include additional counts or additional defendants on an indictment
In mathematics:
Join (mathematics), a least upper bound of sets orders in lattice theory
Join (topology), an operation combining two topological spaces
Join (category theory), an operation combining two categories
Join (simplicial sets), an operation combining two simplicial sets
Join (sigma algebra), a refinement of sigma algebras
Join (algebraic geometry), a union of lines between two varieties
In computing:
Join (relational algebra), a binary operation on tuples corresponding to the relation join of SQL
Join (SQL), relational join, a binary operation on SQL and relational database tables
join (Unix), a Unix command similar to relational join
Join-calculus, a process calculus developed at INRIA for the design of distributed programming languages
Join-pattern, generalization of Join-calculus
Joins (concurrency library), a concurrent computing API from Microsoft Research
Join Network Studio of NENU, a non-profit organization of Northeast Normal University
Joins.com, the website for South Korean newspaper JoongAng Ilbo
Joining (woodworking), woodworking processes of combining two or more pieces of wood together, generally through the use of nails.

See also