What is SQL Join?

An SQL be a part of clause combines columns from one or additional tables during a relational database. It creates a set which will be saved as a table or used because it is. A SQL join could be a means that for combining columns from one (self-join) or additional tables by using values common to every. ANSI-standard SQL specifies 5 forms of JOIN: INNER, LEFT OUTER, RIGHT OUTER, FULL OUTER and CROSS. As a special case, a table (base table, view, or joined table) will join to itself during a self-join

Learn SQL Joins Easily