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20. With SQL, how can you return the number of records in the "Persons" table? You answered: SELECT COUNT(*) FROM Persons Correct Answer! 21. What is the most common type of join? You answered: INNER JOIN Correct Answer! 22. Which operator is used to select values within a range...
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FULL JOIN table_name2 ON table_name1.column_name=table_name2.column_name LIKE SELECT column_name(s)FROM table_nameWHERE column_name LIKE pattern ORDER BY SELECT column_name(s)FROM table_nameORDER BY column_name [ASC|DESC] SELECT SELECT column_name(s)FROM table_name SELECT * SELECT *...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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Exercise: SQL Self JoinWhat is the purpose of a self join in SQL?To join a table with another table To join a table with itself To create a new table by combining columns To perform a full outer joinSubmit Answer » What is an Exercise? Test what you learned in the chapter: SQL...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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