Join

Join may refer to:

• Join (law), to include additional counts or additional defendants on an indictment
• Join (mathematics), a least upper bound in lattice theory
• Join (relational algebra), a type of binary operator
• Join (SQL), a SQL and relational database operation
• Join (topology), an operation combining two topological spaces
• join (Unix), a Unix command
• Join-calculus, a process calculus developed at INRIA for the design of distributed programming languages
• Joins (concurrency library), a concurrent computing API from Microsoft Research

See also

• Joiner, a woodworker who makes and installs architectural woodwork
• Joinery (disambiguation)
• Joint (disambiguation)