Can SELECT Statements Be Used on Views

Q

Can SELECT Statements Be Used on Views? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY

✍: FYIcenter.com

A

Select (query) statements can be used on views in the same way as tables. The following tutorial exercise helps you creating a view and running a query statement on the view:

mysql> CREATE VIEW myLinks AS SELECT * FROM fyi_links 
   WHERE url LIKE '%fyi%';
Query OK, 0 rows affected (0.49 sec)

mysql> SELECT tag, counts, url, DATE(created) 
   FROM myLinks ORDER BY counts DESC;
+------+--------+-------------------+---------------+
| tag  | counts | url               | DATE(created) |
+------+--------+-------------------+---------------+
| SQA  |      6 | sqa.fyicenter.com | 2006-07-01    |
| DEV  |      4 | dev.fyicenter.com | 2006-04-30    |
| DBA  |      3 | dba.fyicenter.com | 2006-07-01    |
+------+--------+-------------------+---------------+
3 rows in set (0.00 sec)

2007-05-11, 5029👍, 0💬

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Can Group Functions Be Mixed with Non-group Selection Fields
Can Group Functions Be Mixed with Non-group Selection Fields? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If a group function is used in the SELECT clause, all other selection fields must be group level fields. Non-group fields can not be mixed with group fields in the SELECT clause. Th... 2007-05-11, 5726👍, 0💬

How To Sort the Query Output
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How To Use SELECT Statement to Count the Number of Rows
How To Use SELECT Statement to Count the Number of Rows? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If you want to count the number of rows, you can use the COUNT(*) function in the SELECT clause. The following tutorial exercise shows you some good example: mysql> SELECT COUNT(*) FROM ... 2007-05-11, 5378👍, 0💬

Can the Query Output Be Sorted by Multiple Columns
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How To Add More Data to the Testing Table
How To Add More Data to the Testing Table? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If you want to continue with other tutorial exercises in this FAQ collection, you need to add more data to the testing table. Follow the script below to add a new column and : mysql> ALTER TABLE fyi_l... 2007-05-11, 5212👍, 0💬

How To Use Group Functions in the SELECT Clause
How To Use Group Functions in the SELECT Clause? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If group functions are used in the SELECT clause, they will be used on the rows that meet the query selection criteria, the output of group functions will be returned as output of the query. The... 2007-05-11, 5150👍, 0💬

What Are Group Functions
What Are Group Functions? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY Group functions are functions applied to a group of rows. Examples of group functions are: COUNT(*) - Returns the number of rows in the group. MIN(exp) - Returns the minimum value of the expression evaluated on each r... 2007-05-11, 5074👍, 0💬

Can SELECT Statements Be Used on Views
Can SELECT Statements Be Used on Views? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY Select (query) statements can be used on views in the same way as tables. The following tutorial exercise helps you creating a view and running a query statement on the view: mysql> CREATE VIEW myLinks A... 2007-05-11, 5030👍, 0💬

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