Transcription of Displaying Data from Multiple Tables - Başkent …
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Displaying Data from Multiple Tables - Başkent …
1 Displaying data from Multiple Tables 2 Objectives After completing this lesson, you should be able to do the following: Write SELECT statements to access data from more than one table using eguality and nonequality joins View data that generally does not meet a join condition by using outer joins Join a table to itself Lesson Aim This lesson covers how to obtain data from more than one table , using the different methods available. 3 Obtaining data from Multiple Tables SELECT , , FROM emp e, dept d WHERE = ; data from Multiple Tables Sometimes you need to use data from more than one table .
6 What Is a Join? Use a join to query data from more than one table. SELECT tablel.column, table2. column2 FROM table1, table2 WHERE tablel. columnl = table2. column2;
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