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  Tutorial: Using JOINING Operation in JDBC

Whenever we need to select data from two or more tables, we have to perform a join operation.

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Whenever we need to select data from two or more tables, we have to perform a join operation. Tables in a database can be related to each other with keys. A primary key is a column with a unique value for each row. Each primary key value must be unique within the table. We will use two related tables Student and testing, to use JOIN. The SQL JOIN clause is used to retrieve data from two or more tables joined by same fields.


 

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Using JOINING Operation in JDBC

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