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Natural Join: It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation.
Example :
SELECT CUSTOMER.CUTOID, CUSTONAME, ORDERID FROM CUSTOMER, ORDER
WHERE CUSTOMER.CUSTOID=ORDER.CUSTOID;
Output will be:
custoid custoname orderid
----------- --------------------- ----------
10 Pooja Enterprises 1001
12 Estern Enterprises 1002
3 Impressions 1003
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Explain natural join? Natural Join - Similar as equi-join except in which the join attributes (having similar names) are not involved in the resulting relation. Only one sets
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Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
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