id = t2.id; -- In RIGHT OUTER JOIN, the keyword OUTER is optional and we generally write only RIGHT JOIN SELECT t1.ID AS [table1.ID], t2.ID AS [table2.ID] FROM table1 t1 RIGHT JOIN table2 t2 ON t1.id = t2.id; -- Output table1.ID table2.ID --- --- 3 3 4 4 NUL...
The basic difference between the Inner Join and Outer Join is that inner join compares and combine only the matching tuples from both the tables. On the other hands, the Outer Join compare and combines all the tuples from both the tables being compared.The database size of the r...
If there are no columns matching in the left table, it returns NULL values. Example - Select * From Table1 RIGHT Join Table2 ON table1.ColumnName = Table2.ColumnName 0 What is a LEFT OUTER JOIN in SQL? What is a FULL OUTER JOIN in SQL?
1) An INNER JOIN would return all students that were matriculated (assigned to a major) SELECT * FROM STUDENT S INNER JOIN MAJOR M ON S.MAJOR_ID = M.ID; 2) A LEFT OUTER JOIN would return all students, matriculated or not. SELECT * FROM STUDENT S LEFT OUTER JOIN MAJOR M...
This join returns all the rows from the left table in conjunction with the matching rows from the right table. If there are no columns matching in the right table, it returns NULL values. Example - Select * From Table1 LEFT Join Table2 ON table1.ColumnName = Table2.ColumnName Ajeet ...
LEFT JOIN, also calledLEFT OUTER JOIN,returns all records from the left (first) table and the matched records from the right (second) table. If there is no match for a specific record, you’ll getNULLsin the corresponding columns of the right table. Let’s see how it works with the ...
11. What is TRUE about Left Outer Join? It contains all tuples that have the same common attribute names in A and B. Tuples in A do not match tuples in B in the left outer join. It is denoted by ⟕. All of the above
LEFT JOIN vs. LEFT OUTER JOIN There is no difference between a LEFT JOIN and a LEFT OUTER JOIN. They're interchangeable SQL functions. They both do exactly the same work of getting all the rows from the left table and the matched rows from the right table. Let's look at a real exa...
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