Best Practices using INNER JOIN in SQL Server
This is the most commonly used type of join. It returns only the rows that have matching values in both tables. The syntax for an inner join is: SELECT column1, column2 FROM table1 JOIN table2 ON table1.column = table2.column; Real-life example: A retail store has a...
Best Practices of using LEFT JOIN in SQL Server
LEFT JOIN: This type of join returns all the rows from the left table and the matching rows from the right table. If there is no match, the result will contain NULL values. The syntax for a left join is: <!– wp:paragraph –> <p>SELECT column1,...
Best Practices of using FULL OUTER JOIN in SQL Server
FULL OUTER JOIN: This type of join returns all the rows from both tables, whether there is a match or not. If there is no match, the result will contain NULL values. The syntax for a full outer join is: SELECT column1, column2 FROM table1 FULL OUTER JOIN table2 ON...
Best Practices for using RIGHT JOIN in SQL Server
RIGHT JOIN: This type of join returns all the rows from the right table and the matching rows from the left table. If there is no match, the result will contain NULL values. The syntax for a right join is: SELECT column1, column2 FROM table1 RIGHT JOIN table2 ON...
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