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This brings us to the end of this tutorial section, and you’re ready for updating your database with the Update query in SQL. Advanced Techniques Subqueries for Conditional Updates: UPDATE with a significantly more involved example of subqueries: UPDATE employee SET e_age = (SELECT AVG(e_age...
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Quiz Course 36K views Lesson Summary Okay, let's take a moment or two to review what we've learned. The full outer join statement is useful when you want all rows combined from your tables. The resulting table may have missing data, which could indicate an area of concern that needs...
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