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ALPHANUMERIC SEQUENCE IN 5.0 VERSION?


IS MYSQL5.0 SUPPORT SEQUENCE?




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Install New Version Of Mysql With Old Version Running
I would like to install the new versin of mysql but currently i have mysql version 3.23 running...

I need to have 2 version of mysql running at the moment in win2000 for different app.

what is the steps for me to install the new version of mysql without causing error and able to run concurrently.

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Alphanumeric Records
I have a varchar field in a table of about 48000 records. The vast majority
of the values are strictly numeric, but some have a letter A-Z either
prepended or appended to them. I need a query to grab all records that are
numeric. I know I can:

SELECT *
FROM my_table
WHERE
col1 NOT LIKE '%A%' AND
col1 NOT LIKE '%B%' AND
....
col1 NOT LIKE '%z%';

There has to be a cleaner/easier way?

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Alphanumeric Autoincrement No
my travel site db design ,

client asking auto increment alphanumeric no

example ( ab100,ac100) somthing like this manner )

2. client having Around 40 location , so they book any where ,

some time through online , some time direct center for book

tickets ,

What db engine i use for this ,

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Alphanumeric Sorting
I need to sort a column that may contain any combination of letters, spaces, or numbers ... including all letters or all numbers, but will never be empty.

"ORDER BY code" doesn't cut it for numbers because "10" would be listed before "2".

"ORDER BY (code+0)" works for most options unless the "code" is all letters or contains something like "1A" and "1B" where "1B" would come before "1A".

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Non-AlphaNumeric Search
I'm doing a search for hospital names. Someone may be searching for "St Marys Hospital" but it is in the database as "St. Mary's Hospital". How can I search and tell mysql to ignore non-alphanumeric characters?

SELECT * FROM hospitals WHERE hospitalName LIKE "St Marys Hospital"

This should pull up the row where the entry is actually "St. Mary's Hospital"

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Max() Alphanumeric Values
i have a table(entry) with fields like id, item,etc,..

Here item will have entries like ab-1,ab-2,ab-3,ab-11,ab-123,ab-1234,etc., where the appended number gets increasing.

I just want to select a record that has maximum value , ab-1234 in the above case.

I tried like this.

select max(item) from entry where item like 'ab-%'

and
select max(item) from entry where item like 'ab-____'

But If i have ab-1, ab-2 and ab-8, and use like 'ab-__' I got null as the result.

if i use like 'ab-_' then i get ab-8 as the result.

if i have ab-1 , ab-2, ab-8,ab-11 and use like'ab-_' i get only ab-8 when ab-11 is correct.

that is i may not know what will be size of the number after 'ab-'. I want at any point the maximum value.

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ORDER BY Alphanumeric
In my table data has following order.

E1
E10
E12
E13
E2
E3
IG1
IG10
IG11
IG2
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But I want to get alphanumeric order

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Alphanumeric ORDER
I have a field with alphanumeric values es:

21
1502
250
250A
250B
...

If I order them mysql give me this asc order:

1502
21
250
250A
250B

Just because 1502 starts with "1" and 21 starts with "2"... It's right!
But how can i solve this problem?

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Ignoring Non-alphanumeric Characters
Is there any way to do string comparisons.
and ignore all non-alphanumeric characters? For instance, check "foobar" and
have it match an existing record of "f$#!oo B(a)*R".

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Ignoring Non-alphanumeric Characters...
Is there any way to do string comparisons and ignore all non-alphanumeric characters? For instance, check "foobar" and have it match an existing record of "f$#!oo B(a)*R".

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Sort Alphanumeric Data
I need to sort a column of alphanumeric data from the DB in ascending order.

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Sorting Alphanumeric Fields
I have many alphanumeric fields in my database that I would like to sort. The only problem is that if I have a number 2 lets say in my record, it will come after a record with number 11 in it or even number 100. Is there a way to sort this field numericaly? This field is used for serial numbers containing letters, that's why I can't simply convert it to a number field.

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Replace Of All Non-alphanumeric Characters
Is there a function or something else to replace all non-alphanumeric characters with "_" (underscore)?

Example:
Hello World -> Hello_World
Do you like it? -> Do_you_like_it_

Or is it easier to create a table with two Columns (EntryId, ReplacedTitle) and store there the replaced titles with the EntryId?

ENTRY_TABLE
---------------------
Entry: 1
Title: Hello World

REPLACED_ENTRY_TABLE
---------------------
EntryId: 1
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Order By First Alphanumeric Character
I'm creating a list of stories, which I ORDER BY 'title' in the MySQL query. However, some of the stories have titles that begin with non-alphanumeric characters, e.g.:

'Tis the Season
...Lorem Ipsum Dolor

They end up at the top of the alphabetical list and when creating the alphabetical story title directory in PHP, they get assigned to the "letter" of single-quote (') or a single period (.). I would like them to be alphabetized under 'T' or 'L'.

Is there a way to get the ORDER BY to ignore quotes, series of periods, and other non-alphanumeric characters in the titles?

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ORDER BY Alphanumeric, Numeric
How can i get the following order?

ab
a1
bc
bx
b4
zaq
z5
1ax
9b

Field type is varchar(50) latin1_general_ci

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Ignore Non-alphanumeric Characters
I'm creating a PHP search engine for my website. I've stripped the non-alphanumeric characters out of the query. Next stage is to search the MySQL tables, but to ignore the non-alphanumeric characters in the tables.

For example...
- $search = "example"
- I want it to return true if it finds "example" or "£e(x)am_pl!e"

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Custom Alphanumeric AutoIncrement
I am aware of how to create an auto-increment field but I was wondering if it is possible to create a custom auto increment id using both Alpha and Numeric (ex. A001423)?
If so, can you have the Alpha character roll-over sequentially (A999999 to B000000)?

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Replace Alphanumeric To Numeric
I have some alphanumeric values in a column and now i have to replace all those alphanumeric values to numeric one.. How it is possible by a single query.

Is it possible by using regex or replace function().. Let me know in detailed.

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Non Alphanumeric Chars Appearing As ?
I have a site which pulls content from a mysql database. Any non-alphanumeric character is displayed as a question mark. I noticed in phpmyadmin the collation was latin1_swedish_ci and thought this may be something to do with it.

Can anyone confirm this for me? If this is the case, what should the collation be and how do I change it?

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Rolling Back A DB From Version 5 To Version 4
I've got a local MySQL DB with my MediaWiki data that was created in version 5.0.17, but I recently discovered that my webhost is running version 4.0.27, and when I tried to import the database as-is, I received an error.

I'm looking for suggestions as to how I could roll my database back to the older version of MySQL, in case my webhost decides not to let me upgrade. I've considered using an intermediary, such as converting to MDB or CSV, but so far I haven't had much luck with finding a tool to do so without spending a pile o' cash.

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Select Not Returning Alphanumeric Values
PHP version 5.2.6
MySQL version 5.0.51a-community

I am atmysqlting a simple query to return information about a manufacturer part when the part number is entered. When the part number is numeric, the query returns the proper information. When the part number is alphanumeric, no information is returned.

The field being queried (MfgPart2) is a char(50) field.....

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Alphanumeric String Evaluates To 0 In SELECT Query
I have a table with the following structure and data:

Table T1:

n: INT
n_squared: INT,

n n_squared
0 0
1 1
2 4
3 9
4 16
...

Query:

SELECT * FROM T1 WHERE n_squared='ABC123'

Result:

n n_squared
0 0

How can I avoid the default typecasting?

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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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Order By An (out Of Sequence) Set Of Numbers
I'm having a problem as follows:

here is a an example table (tbl_test):

id | value
----------------
1 | hello
2 | hi
1 | bye
4 | cya
where the value field is variable.

and i want to select them so they are listed as follows:

id | value
----------------
2 | hi
1 | bye
1 | hello
4 | cya

is it possible to order by and array - something like:
SELECT * FROM tbl_test WHERE 1 ORDER BY id (2,1,4)

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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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Unicode Case Insensitive Query (sjis Japanese Alphanumeric Character) ?
I want to do the case insensitive SELECT query for sjis unicode data.

when i tried, case insensitive query is ok for ascii data, but it is not ok for sjis full width alphanumeric characters.

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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(£)(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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