Using a join on 2 tables, select all columns and 10 rows from the 2 tables without the use of a Cartesian product.

Query:

SELECT * FROM EMPLOYEE1 E JOIN STAFF S ON E.EMP_ID=S.EMP_ID WHERE ROWNUM<11;

Use group by & having in a select statement using one or more table(s) (If more than 1 table then, don't use a Cartesian product).

Query:

SELECT BRANCH,COUNT(*) FROM STAFF  GROUP BY BRANCH;

 

 

Posted Date: 3/14/2013 2:02:58 AM | Location : United States

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