MYSQL :: Order By An (out Of Sequence) Set Of Numbers

ORDER BY :: Sequence Order
Is it possible to ORDER BY based on the sequence order, for instance I use this Query:

SELECT * FROM Showroom WHERE Artnumber IN (52900, 52536, 52730)

the result is this:

Artnumber Price
52536 25,80
52730 1,90
52900 31,10

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Order By :: Numbers
I am trying to figure out in the easiest manner.

Have a list of values
S00500
123456
156789
205000
S00067

and using this string, how do I modify the following:

$qstr .= " order by $order_by";

so it will sort to the following (number first, then letters ordered):

123456
156789
205000
S00067
S00500

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ORDER BY Numbers?
I am trying to do an ORDER BY clause on a field that holds prices but when I run the select it orders by prices but the output is like:

10.49 then 2.25 then 21.00

I assume this is because the field is being treated as a string vs. as an integer.

How can I correct this so my select statement will output like:

2.25 then 10.49 then 21.00

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How To (order By) With Numbers?
SELECT * FROM video WHERE vtitle = 'D.Gray-man' ORDER BY vepisode_num

Now that comes back like this:

01
02
03
04
05
06
07
08
09
10
100
101
102
103
104
11
12
13
14

01
02
03
04
05
06
07
08
09
10
11
12
13
14

all the way to 104

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How To Order Numbers Like: 20,18,4,3,2 Rather Then 4,3,20,2,18
I'm having trouble sorting a request, what I am getting is this:

SELECT * FROM table WHERE column = value ORDER BY column DESC

5
4
3
20
2
19
18

When I would like this:

20
19
18
5
4
3
2

Is there a way to do this?

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Order By Both Positive And Negative Numbers, Format Issue
I have a column that contains numbers both positive and negative, e.i 5, 7, -2, 1, -8, 6.

On a webpage that sorts these columns using php, this commands are used to sort data, but I can't seem to get it to sort properly:

order by column desc';

result:

-10
-9
-47
-3
5.
30
2
1

order by column asc';

result:

1
2
25
3
8
-1
-2
-3
-55
-6

Desired Results

7
4
3
2
1
-4
-6
-9

and

-9
-3
-1
2
3
4
7

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Disrupted Sequence
Another brainteaser:

CREATE TABLE IF NOT EXISTS `test` (
`id` INT(11) unsigned NOT NULL auto_increment,
`cid` VARCHAR(10) NOT NULL,
`item` VARCHAR(10) NOT NULL,
`val` INT(11) NOT NULL,
`dt` datetime NOT NULL default '0000-00-00 00:00:00',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1

In the above example table I need to find the first 5 highest values of val that break the sequential set of values. In other words: say I have values 49,48,45,44,43,40,39,37,36,34 of val in my table, with 49 being the highest value of val (need to sorted first, because values may randomly be dispersed in my table), then I want to get 47,46,42,41,38 as the query result.

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Create A Sequence?
I am creating an application that will contain three tables that need to share the same sequence. Upon digging through the docs, I do not see how I could do this.

Could someone give me some guidance into this?

Also, As I read the docs, when I am creating tables, there is something about an InnoDB? Sorry to be confused, but I am not sure how to begin creating my database, nor tables without this knowledge.

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Sequence Substitute
I have a problem about create sequence number which can be reset after MAXVALUE has been assigned. In the older version of mysql i can use "create sequence", but in the recent version i can't do that anymore. All i know in mysql ver 5 is "Auto_increment" which cannot be reset number without delete or truncate table.

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CREATE SEQUENCE ?
Tracing some examples in a book from Apress,
for some reason they go for Oracle in this book -
not my cup of tea, especially not when I am sitting on
a vista-terminal. Enough of my complaing.

How do I create a sequence in mysql ?

This is the example I am stuck with:

CREATE SEQUENCE SEQ_ID_GEN INCREMENT BY 1 START WITH 100 MINVALUE 1 CACHE 50 ;

How do I write that sentence in mysql ?

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Sequence Creation
I am not able to create a sequence in MySql.. But its giving error.

Can any one pls tell me how can i do that?

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Sequence Generation
I was wondering if there was something close to CREATE SEQUENCE in MaxDB for standard MySQL.

I'm thinking of just doing a table/stored procedure and calling it a day, but was wondering if MySQL had some other alternative.

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What Collation Sequence?
I've just transferred a small PHP/MySQL application from a Firepages phpdev5 install to an XAMPP install, so I've got new versions of everything. I used phpMyAdmin to export and import the tables of the database. When recreating the database on my new install I selected the default collation (latin1_general_ci) but my application is now displaying ? in place of a number of characters so I guess I got it wrong. I can't see where in the old phpMyAdmin (2.3.0-rc3) to determine what collation the database uses.

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Identity, Sequence, Serial
Does MySQL offer capability for any of the following?
- IDENTITY
- SEQUENCE
- SERIAL
Or is AUTO_INCREMENT the catch-all for the functionality of all of the above? I ask because I'm looking into Java EJB3 which describes support for any of the above (as well as AUTO_INCREMENT, so I'm not out of luck completely).

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Re-arrange Primary Key Sequence
i am facing a problem with my application when someone deletes a record and hence its key disappears breaking the sequence e.g

1 - entry
2 - entry
(3 - deleted no mere here)
4 - entry
5 - entry

When key is not there my AJAX application fails to run properly due to not finding next id. Is there any method to re-arrange primary key values to a proper sequence when one or more numbers are missing?so that i will write a query and whenever user deletes an item i will re-arrange the primary key sequence automatically

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Selcting Date Sequence
I am trying to return a set or rows that represent all of the days between two dates. For example, I want to select all the days between December 25th, 2005 and January 5th of 2006, and i am looking for it to return (shown here in CSV)
2005,12,25
2005,12,26
2005,12,27
2005,12,28
2005,12,29
2005,12,30
2005,12,31
2006,01,01
2006,01,02
2006,01,03
2006,01,04
2006,01,05

So, for any date, i want to select all the days in between. Any ideas?

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ALPHANUMERIC SEQUENCE IN 5.0 VERSION?
IS MYSQL5.0 SUPPORT SEQUENCE?

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How To Create A Sequence In MySQL
I am not able to create a sequence in MYSQL 5.0
Want help on creating the same.

Basically, what I am looking for is, that I should get a number greater that the last one on every call to this sequence.

In Oracle, one can simply write something like:-
CREATE SEQUENCE seq_ordermaster
increment by 1 start with 1
maxvalue 999999minvalue 1
nocache
Nocycle;
And while calling, one can use it by selecting seq_ordermaster.nextval from DUAL

Considering the fact that there is no DUAL table in MySQL, how can One write such a sequence and also, how one can get the next value on each select statement?

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Mysql Execution Sequence
I need to retrieve the last value from a column in a mysql table, perform some actions on it, then add 1 to the original value and store a new entry.

I am worried that if multiple users access the database at the same time I will end up with duplicated 'new values'. Does mysql complete execution of a script before it allows access to another user or do I need to 'lock' the table in some way while the script executes?

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Find The Number Of A Row In A Sequence
MySQL Code:
SELECT * FROM comments WHERE id=12345 ORDER BY rating

Is there a way to determine the position that this rows appears in the sequence?

Eg, so I can print out:

"This site is rated position x out of y"

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Bulk Insert Of New Records In Sequence
I am looking to create a querty that searches for the max value a field
called listnum in a table called tbl_listing and then interests 25 new
records with listnum's starting 1 higher then the max value.

ie if the highest listnum is 1000 it should insert new records with a
listnum of 1001-1024. All the other fields in the table can be blank.

Is there a simple (or not so simple) query that I can run to do this?

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How To Generate Sequence Values During Query
I have query like below:

SELECT part_no,part_nm,qty FROM tb_stok_out ORDER BY part_no

as result:

part_no part_nm qty

aaa asdfd 3
abab sdfsdf 4
abab adfdf 5

Is it possible in mysql to generate sequence number using query, so the result will be like below :

1 aaa asdfd 3
2 abab sdfsdf 4
3 abab adfdf 5
... etc

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Change The Sequence Of Column In Table
I am using MySql Query Browser I want to change the Sequence of Column in data table
e.g.

Before : table sequence is (UserID, Name, BOD)
After : table sequence is (User ID, BOD, Name)

How can I do that?

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Create Sequence Syntex Errors Out
I installed mysql 5 and trying to setup database. Somehow it can't create sequence. it throws generic 'check the manual that corresponds to your mysql server version......'.

I have tried just about anything nothing works.
Also tried to reinstall mysql few times--same thing.
Also tried to go through mysql 5 manual nothing is in there for sequence.
Or sequence is not supported with mysql version i have?

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Inserting New Data Within A Structured Sequence
I'm trying to organize rows in a specific sequence. However, I also want the capability to insert new rows within that sequence and not simply append them to the end of the dataset as autosequencing would have you do. How is this accomplished?

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Extract Data According To Preset Sequence... How?
wondering whether i can make this work...

first, i will make an array like this:

Quote:

$category_id[]="10,6,9,8,3";

then i wanna extract the information( category name, category id, and sub category into array and arrange them in the preset sequence in category_id[] above.

Quote:

$query="select * from category order by $category_id[] ";
$result="mysql_query($query) or die(mysql_error());

while ($row=mysql_fetch_assoc($result))
{
echo $row['category_id'];
echo $row['category_name'];
echo $row['subcategory'];
}

the output i wish to get is like this:

Quote:

1st result:
category id: 10
category name= the name of category 10
sub category=
sub 1 category 10
sub 2 category 10
sub 3 category 10

2nd result:
category id: 6
category name= the name of category 6
sub category=
sub 1 category 6
sub 2 category 6
sub 3 category 6

3rd result:
category id: 9
category name= the name of category 9
sub category=
sub 1 category 9
sub 2 category 9
sub 3 category 9

I'm confuse in the extraction info according to the preset sequence... can anyone please share some ideas? will this idea works?

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Max Sequence Number In Claim Transaction Table
have a table that contains a transactional history showing how a claim amount has changed over time. Each time the claim amount is updated, a new claim sequence number is used.

The fields I have are Claim Number(CLMKYT), Claim Sequence(CLMSQT), Claim Amount(Â£)(OUTSTT) and Date the claim was entered/updated (EFFDTT)

I want to pull out the latest (most recent) claim amount for each claim as at any particular date.

I have the below query which I think almost gets me there, but not quite!

Code: .....

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Generated Sequence # Based Upon Content Of Row Being Inserted
I have a table -

CREATE TABLE `sample` (
`Id` smallint(6) NOT NULL auto_increment,
`division` varchar(5) NOT NULL,
`secion` varchar(5) NOT NULL,
`div_sect_seq` smallint(6) NOT NULL default '1',
PRIMARY KEY (`Id`)
);

I'd like to write the insert statement that would generate the next div_sect_seq number based upon the value being inserted into the table.

Let's say that the table contains:

|--id--|-division-|-section-|-div_sect_seq-|
| 1 | SC | XX | 000001 |
| 2 | SC | YY | 000001 |
| 3 | SC | XX | 000002 |

I'd like to insert a row for divsion = 'SC' and section = 'XX' with the next div_sect_seq (which would be the max value of div_sec_seq + 1 on the sample table for the division and section) which should be the value of 000003.

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Primary Key Field: Varchar(32) Versus Sequence
I got in the habit of coding primary key fields as varchar(32) that was generated by an md5() since it was a public site and I wanted to avoid people guessing record numbers (for other reasons).

Is there a performance problem with doing that?

If so, how do you tackle the same concern?

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Ordering By Sequence Field With Empty Values
I have a sequence field in my db table that I'm using to order a list. I'm trying to ORDER BY this field, but it puts the empty values before 1 such as
empty, empty, 1, 2, 3, 4
instead of
1, 2, 3, 4, empty, empty, empty
How can I fix this?

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Index On Long Column And Auto Sequence In Mysql
How do we create index on long columns in Mysql? we want to store the timestamp component of the data field in a long data type and be able to index on it.

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MySQL Variables, Modifying Microsoft SQL Sequence Insert For Use In Mysql
I have the following microsoft SQL statement that inserts 25 new
records in sequence. However I am trying to modify this to work in
MySQL.

I cant seem to get the variable decleration right. I tried using
DECLARE CurVal int but that generates a mysql error. How can I modify
the code below to work under mysql? Code:

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Re-order The Natural Order Of All Of All The Rows Of A Table
Basically I want to re-order the rows of my entire database. It has many thousands of rows, and people are constantly running the same query against it. The problem is its quite slow (using a shared host).

I know you can use an sql query to order by column, however I need to re-order twice and it really seems to be slow due to this.

Since the query is always the same, if the rows were already ordered in the database , then the ordering query wouldnÃ¢â‚¬â„¢t need to be done.

Is there an easy way to do this, without deleting each and every row, then inserting them again?

basically in the database I have:

The natural order when you do a select * from this table (without using an order by query):
________________________
|cola |col.. |coln |
|dataA |dataB |dataC |
|dataX |dataY |dataZ |
|datal |datam |datan |

(obviously a lot bigger than this) and I want reorder the entire table , eg

The natural order when you do a select * from this table:
________________________
|cola |col.. |coln |
|dataA |dataB |dataC |
|datal |datam |datan |
|dataX |dataY |dataZ |

So is there an easy way to do this, am I just being dumb?
or do I need to delete the entire table and insert the rows one at a time in order?

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How To ORDER BY DESC Properly. It Makes 150 Before 50 If ASC Order!?
I have this list:
50
150
200
250
300
350
400
450
500

If I order it by ASC order then mysql results this:
150
200
250
300
350
400
450
50
500

What the hell ?? How do I order it properly?

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Multiple ORDER & SUB ORDER On The Same MySQL Table
I am trying to do multiple ORDERS or SUB ORDERS on the same MySQL table, and I'm loosing my mind trying to fathom the logic and SQL statement to use, I'm no MySQL genius! more a newbie.

*** SEE ATTACHED IMAGE PLEASE

I have tried all sorts of SQL statements, e.g:

SELECT * FROM categories GROUP BY parent ORDER BY order, parent DESC

Nothing seems to work.

I think my only solution is to do a bubble-sort after putting the whole table in a PHP ARRAY ?

I'd also like the menu to act like the + pop-open sub-menu boxes on the Forum left column menu.

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ORDER BY WHERE + Include Rest Of Table Or ORDER? Possible?
I need to create some SQL that when run returns all the rows which a column is equal to number that has been specified, but then the query needs to return the rest of the rows in the table. How could this be done? is it even possible? Is their order syntax that could do this better?

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Ordering In Queries By Sequence Of Elements In "IN"
I need a query which delivers results in the order I have in the element sequence after "IN".

SELECT aid, cid, vid FROM table WHERE aid IN (5,7,3)

I want to see the resuts of the query submitted in the same order, it means the first row should be with aid 5, the second with aid 7 and the third with 3.

Without "ORDER BY" I get the results in sequence 3, 5, 7.

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Odd And Even Numbers
I have a table that has three fields that I want to sort: txtStreetName, txtHouseNum, txtAptNum(all string values). The kicker is that I want the sort to be by street name with all the odd house numbers sorted first followed by all the even number house numbers: e.g. 101 Apple, 103 Apple, 105 Apple then 100 Apple, 102 Apple, 104 Apple, etc and if 101 Apple was an apartment block then I want the list sorted by aptNum. Can anyone suggest a solution to this problem?

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How Do I Add 4 Numbers?
I have a table in four databases. I want to count the number of rows in each table. I have a file for each databses, and it looks like this:

<?php

$connect = mysql_connect("localhost", "root", "PASS");
mysql_select_db("DATABASE_GOES_HERE", $connect);

$result = mysql_query("SELECT * FROM cheats");
$num_cheats = mysql_num_rows($result);
?>

So, I have four of those. I want anouther file to add the 4 $num_cheats from those four files, then echo it out into the adding file, then include them into the page that the user will see. Sorry if that doesn't make any sence, but i'm not to good at explaining stuff. So, How would I do that.

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Order Then Order Again But From Colums Of Different Tables
I'm a noob to sql and I've been using a query thats worked really well for me for some time, but now I need to optimise it a little further and things seem to be coming un-done

its used for a search query: .....

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How To ORDER BY The Order Requested In The Query?
Here's my query:

SELECT * FROM myTable WHERE id=14 OR id=3 OR id=8

Simple stuff, I know. The result of the query is three rows that are all sorted by their 'id' in ascending order. I don't want this. What I want returned are rows sorted by the order in which I requested them. I need the query to return row #14, #3 and then #8 in that order.

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How Does MySQL Order Records With No ORDER BY?
If you don't specify an ORDER BY clause, how does MySQL order the records? Is it just the order in which they found in the database?

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Sorting Numbers
I got a list of movies and would like to select alle the movies starting
with a numer 0-10 and another symbol (., #, !, etc.) but I don't know
how to get them all in the same query. How do I do that?

My query should look like this, but I don't know what to put instead of
the ??
"SELECT * FROM movies WHERE title = ?? ORDER BY created"

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Total Numbers
I need to count total number of records present in 2 tables. I am having a working query for
SQL Server but it doesn't work in mySQL.

select sum(a.total1) from
(select count(*) total1 from CoreJava_Code
union all
select count(*) total from CoreJava_File)a

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Max Numbers Of Characters
Is there any way to have more to store more than 255 characters in a field?

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Numbers Separated
having this table

id name week_days
1 xpto 2;3
2 optx 1;4;5

and want to see if a string, e.g $days="2;6;7" exists in table

The numbers are the day of week 1- Mon 2- Tue 3-Wed etc
Want to do a select where $days exist in week_days. For the example given, Tue exists in id=1

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Names And Numbers
I am ordering by name ASC, but some of the names are numbers as well as strings. The issue that is occurring is the numbers are sorting 1, 10, 10.5 etc as opposed to 1,2,3,4,5,....10,10.5 etc

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Letters & Numbers?
Is there a way i can update a field for every record with a random letters OR numbers? Reason is i have 25,000 people in my mailing list but I have created a login for all the members but they have no password.

i want to randomly given them a password which is stored in the mySQL db.

i.e. UPDATE nn_users SET password = 'random';

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