Querying Data by Using Joins and Subqueries ppsx

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.  Query data by using joins  Query data by using subqueries Objectives ¤NIIT Querying Data by Using Joins and Subqueries 3.3 As a database developer, you may need to retrieve data from. where the employee is currently working. Querying Data by Using Subqueries Using the IN and EXISTS Keywords ¤NIIT Querying Data by Using Joins and Subqueries 3.17 In the preceding example,. names of the columns on which the join is applied. Querying Data by Using Joins Using an Inner Join 3.4 Querying Data by Using Joins and Subqueries ¤NIIT N ote An inner join is the default
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