Displaying One Set of Values While Sorting by Another

      
mysql>
mysql> CREATE TABLE mail
    -> (
    ->  t               DATETIME,       # when message was sent
    ->  senderUser      CHAR(8),        # sender (source user and host)
    ->  senderHost      CHAR(20),
    ->  recipientUser   CHAR(8),        # recipient (destination user and host)
    ->  recipientHost   CHAR(20),
    ->  size    BIGINT,         # message size in bytes
    ->  INDEX   (t)
    -> );
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql> INSERT INTO mail (t,senderHost,senderUser,recipientHost,recipientUser,size)
    ->  VALUES
    ->          ('2010-05-11 10:15:08','saturn','barb','mars','tricia',58274),
    ->          ('2010-05-12 12:48:13','mars','tricia','venus','gene',194925),
    ->          ('2010-05-12 15:02:49','mars','phil','saturn','phil',1048),
    ->          ('2010-05-13 13:59:18','saturn','barb','venus','tricia',271),
    ->          ('2010-05-14 09:31:37','venus','gene','mars','barb',2291),
    ->          ('2010-05-14 11:52:17','mars','phil','saturn','tricia',5781),
    ->          ('2010-05-14 14:42:21','venus','barb','venus','barb',98151),
    ->          ('2010-05-14 17:03:01','saturn','tricia','venus','phil',2394482),
    ->          ('2010-05-15 07:17:48','mars','gene','saturn','gene',3824),
    ->          ('2010-05-15 08:50:57','venus','phil','venus','phil',978),
    ->          ('2010-05-15 10:25:52','mars','gene','saturn','tricia',998532),
    ->          ('2010-05-15 17:35:31','saturn','gene','mars','gene',3856),
    ->          ('2010-05-16 09:00:28','venus','gene','mars','barb',613),
    ->          ('2010-05-16 23:04:19','venus','phil','venus','barb',10294),
    ->          ('2010-05-17 12:49:23','mars','phil','saturn','tricia',873),
    ->          ('2010-05-19 22:21:51','saturn','gene','venus','gene',23992);
Query OK, 16 rows affected (0.00 sec)
Records: 16  Duplicates: 0  Warnings: 0

mysql>
mysql> SELECT t, senderUser,
    -> CONCAT(FLOOR((size+1023)/1024),'K') AS size_in_K
    -> FROM mail WHERE size > 50000
    -> ORDER BY size_in_K;
+---------------------+------------+-----------+
| t                   | senderUser | size_in_K |
+---------------------+------------+-----------+
| 2010-05-12 12:48:13 | tricia     | 191K      |
| 2010-05-14 17:03:01 | tricia     | 2339K     |
| 2010-05-11 10:15:08 | barb       | 57K       |
| 2010-05-14 14:42:21 | barb       | 96K       |
| 2010-05-15 10:25:52 | gene       | 976K      |
+---------------------+------------+-----------+
5 rows in set (0.00 sec)

mysql>
mysql> drop table mail;
Query OK, 0 rows affected (0.00 sec)

Related examples in the same category

1.	Order result wiht ORDER
2.	Use ORDER BY to list
3.	Use two ORDER BY fields
4.	Sorting Rows
5.	Default sort order is ascending
6.	To sort in reverse (descending) order
7.	Sort on multiple columns
8.	Sort columns in different directions
9.	Order decending
10.	Another decendingly
11.	Order BY and Limit
12.	Order row in select clause
13.	Order two columns with different orders
14.	Narrow down data with condition and order it
15.	Simple ORDER by
16.	Sorting Data
17.	Use order by to sort the result
18.	Indicate of ascend
19.	Order by index
20.	ORDER BY RAND
21.	Search string with order
22.	The lack of case sensitivity also applies to relative ordering comparisons:
23.	Refer to the alias in the ORDER BY clause
24.	Columns specified by positions or by aliases can be sorted in either ascending or descending order
25.	Putting the expression directly in the ORDER BY clause:
26.	To achieve the desired output order, display the string, but use the actual numeric size for sorting
27.	Display the composite names, but refer to the constituent values in the ORDER BY clause:
28.	To sort those records in calendar order, use the birthmonth and birthday columns.
29.	To sort by product category, extract the category value and use it in the ORDER BY clause
30.	To use the substrings for sorting, use the appropriate expressions in the ORDER BY clause.
31.	Sorting Hostnames in Domain Order
32.	Sorting Dotted-Quad IP Values in Numeric Order
33.	Floating Specific Values to the Head or Tail of the Sort Order
34.	Sorting in User-Defined Orders
35.	Sort the column by the order in which colors occur in the rainbow.
36.	To make the lexical ordering correspond to the numeric ordering,
37.	Controlling Summary Display Order
38.	Sort drivers according to who drove the most days or miles, add the appropriate ORDER BY clause
39.	Order by sum result
40.	To sort the result set as a whole, add an ORDER BY clause after the final SELECT statement.
41.	Enclose a given SELECT (including its ORDER BY clause) within parentheses
42.	The expressions display state names in lexical order within each row
43.	Delete from the Orders table any order for the book title Where I'm Calling From.
44.	SELECT statement includes an ORDER BY clause that sorts the result set according to two columns
45.	Determine how many books have been ordered for authors who have more than one book listed in the Books table.
46.	The Order in Which MySQL Processes Conditions
47.	Return the third, fourth, and fifth records sorted in descending order on the commission field?
48.	Explicit evaluation order
49.	Display order number, quantity, item name, vendor and total order value of order number 2805
50.	Display all products - including those with no orders
51.	Get the order number and number of items ordered where the color is not Pink and the number of items ordered i
52.	Get players whose combination of name and initials comes before player 6 in alphabetical order.
53.	Order by char type
54.	order by sub string
55.	Order by calculated value
56.	Order by alias name
57.	Order by one column descending and another one ascending
58.	Order then choose the first rows
59.	Refer to Sort Columns
60.	Sorting Expression Results
61.	Sort the results using the underlying column values rather than the displayed composite values
62.	Convert the output column and sort that-but doing so affects the displayed values, possibly in an undesirable
63.	To sort by country code, use the rightmost two characters of the id values
64.	Sorting hostname values correctly in right-to-left fashion:
65.	Sort by position
66.	Sort direction
67.	display all data in "hers" and "his" sorted by id
68.	Sorting Subsets of a Table

Displaying One Set of Values While Sorting by Another : Sort Order « Select Clause « SQL / MySQL

Related examples in the same category