SQL - INNER JOINS
SQL - INNER JOINSThe most frequently used and important of the joins is the INNER JOIN. They are also referred to as an EQUIJOIN.
The INNER JOIN creates a new result table by combining column values of two tables (table1 and table2) based upon the join-predicate. The query compares each row of table1 with each row of table2 to find all pairs of rows which satisfy the join-predicate. When the join-predicate is satisfied, column values for each matched pair of rows of A and B are combined into a result row.
SyntaxThe basic syntax of INNER JOIN is as follows:
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SELECT table1.column1, table2.column2... FROM table1 INNER JOIN table2 ON table1.common_field = table2.common_field;