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  • MySQL dno't wont to store unicode charecter

    - by Qiao
    Why MySQl don't wont to store unicode character ??? Yes, it is rare hieroglyph, you wouldn't see it in the browser. UTF16 is U+2B5EE Warning: #1366 Incorrect string value: '\xF0\xAB\x97\xAE' for column 'ch' at row 1 Is it possible to store this character in MySQL?

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  • which is better, creating a view or a new table?

    - by Carson
    I have some demanding mysql queries that are needed to grap same datasets from several mysql tables. I am thinking of creating a table or view to gather all demanding columns from other tables, so as to increase performance. If I create that table, I may need to do extra insert / update / delete operation each time other tables updated. if I create view, I am worrying if the performance can be greatly improved. Because data from other tables are changing very frequently. Most likely, the view may need to be created first everytime before selecting it. Any ideas? e.g. how to cache? other extra measures I can do?

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  • Http download stream in PHP and MySQL

    - by Vishal
    Hello, How can I read from mysql and write the same in http output stream. So its like if send a request http://www.xyz.com/download/A it should return me data for A from mysql through php. The data is plain text. Thanks PS: I am new to php.

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  • mysql: inserting data and autoincrement

    - by every_answer_gets_a_point
    i am converting from access to mysql i have a table in access where one of the columns is an autonumber when i transfer the data into the mysql database (where i also have a column that is auto_increment), should i be transfering the auto_increment data into the auto_increment column, or will it auto_increment itself? how do i ensure that if i do not transfer the autoincrement data from access, that it auto_increments properly?

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  • Php + MySQL banner rotator by order

    - by ilnur777
    I have table with advertisement in MySQL. I would like to rotate banners by order (NOT RANDOM). What function or mechanism I need to SELECT advertisement from MySQL table to show it in order, like 1, then 2, then 3 ... then again 1,2,3... ?

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  • Django - Add rows to MySQL database

    - by yeenow123
    So I already have a database setup with a few columns and a few rows already inserted in. I'm trying to create a view that you would just input information into a form and press Submit, then a row would be added to the MySQL database with the information you just typed in. I believe you can do this with admin, but I would like to try without admin and I'm not sure if this is possible? I've been using the MySQL commandline to add rows as of now..

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  • Equivalent of Oracle’s RowID in MySQL

    - by echo
    is there an equivalent of oracle's rowid in mysql? delete from my_table where rowid not in (select max(rowid) from my_table group by field1,field2) I want to make a mysql equivalent of this query!!! What i'm trying to do is, : The my_table has no primary key.. i'm trying to delete the duplicate values and impose a primary key (composite of field1, field2)..!!

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  • MySQL: How to check if a string is a valid DATE, TIME or DATETIME

    - by Svish
    When I try to put a value into a DATE field which is invalid, MySQL seems to use 0000-00-00 instead. Is there a way I can do this "check" without updating a DATE field? And to do it from for example PHP? Like, is there a way I can query the MySQL server and ask "Hey, is this DATE, TIME or DATETIME valid to you?" Or is there maybe an even better way of doing it?

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  • mysql query to select the bottom values from a table

    - by S.PRATHIBA
    Hi all, I have the following table. mysql> select * from consumer2; SERVICE_ID SERVICE_TYPE CONSUMER_FEEDBACK 31 PRINTER 1 32 PRINTER -1 33 PRINTER 0 34 PRINTER -1 35 PRINTER 0 31 PRINTER 0 32 PRINTER 1 35 PRINTER 1 31 PRINTER 0 From the above table i need to select the bottom 4 values using mysql i need to get the output as follows SERVICE_ID SERVICE_TYPE CONSUMER_FEEDBACK 31 PRINTER 0 32 PRINTER 1 35 PRINTER 1 31 PRINTER 0 Please help me.Thank u in advance.

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  • polymorphism alternative for MySQL stored procedures

    - by zombiegx
    I'm porting some stored procedures from Informix to MySQL, but I have two stored procedures on Informix that have same name and different parameters. In MySQL, I can't create two SP with the same name, and also can't create a SP with default values in parameters. so, do someone out there know any hackery or black magic that may help me solve this problem? thanks.

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  • MySQL Data Truncation: Out of range value in Performance test

    - by Khaledez
    on a test for Java-MySQL-Restlet application, I write to database at 4reqs/second for 120 seconds. In this write I insert a row that has foreign key which has the same value for all rows, and this exception occurs: Could not recover transaction. Original exception follows. com.mysql.jdbc.MysqlDataTruncation: Data truncation: Out of range value for column 'idPxxx' at row 1 Only 5% of requests fails to this exceptions, others works. Regards

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  • MYSQL -Incorrect Syntax

    - by user1854392
    WHILE x > 1 DO SET x = x - 1; SET totalTime = SELECT CONCAT(FLOOR(HOUR(TIMEDIFF(end_time,start_time)) / 24), ' days ', MOD(HOUR(TIMEDIFF(end_time,start_time)), 24), ' hrs ', MINUTE(TIMEDIFF(end_time,start_time)), ' minutes ') AS total_Time I don't see why I am having a syntax error? It is part of a bigger procedure but is pointing to this aas being incorrect Error message: SQL Error (1064): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT CONCAT(FLOOR(HOUR(TIMEDIFF(end_time,start_time)) / 24,' days',' at line 11 and totalTime is declared as a VARCHAR(50)

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  • Moving Binary logs in Mysql to a different harddisk

    - by Darini
    This question is about Mysql Binary logging.We need to move the Binary logging to a different hard disk . What is the configuration change required in Mysql?.Currently Binary logs go into the same folder as the ibdata and there is a replication slave running which needs the binary logs

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  • MySQL DATE_ADD usage, 5 day interval

    - by Webnet
    I'm trying to select the order total sum ($) and invoice count over a 5 day period in a single query. I can't seem to get this to happen though. The current query I have is here... SELECT COUNT(id) as invoice_count, SUM(orderTotal) as orders_sum, UNIX_TIMESTAMP(created) as created FROM ids_invoice WHERE DATE_ADD(created, INTERVAL +1 DAY) AND userId = '.$userId.$whereSql I'm not entirely sure DATE_ADD is the right function I'm looking for I'm fairly new to mysql date functions so perhaps I just missed the function I needed when going through mysql docs.

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  • Mysql console slow on import of huge sql files

    - by Kennethvr
    My import of sql via the mysql console is rather slow and as our sql file is increasing every day I would like to know if there are any alternatives on how to import a sql file faster. Changing to oracle or other systems is no option, the configuration has to stay the same. Currently the sql file is: 1.5 Gb I'm on Wamp with Apache 2.2.14, PHP 5.2.11 and MySQL 5.1.41. Any suggestions?

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  • mysql not in my PATH for some reason

    - by Dr.Dredel
    I've installed mysql on several macs and on one of them mysql is not in the path. If I export it it shows up in the path correctly, but upon reboot, disappears. What should I do to get the machine to keep it in the path and what are the machines that DO have it in their path doing differently? Any thoughts appreciated.

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  • Modifying MySQL Where Statement Based on Array

    - by Ryan
    Using an array like this: $data = array ( 'host' => 1, 'country' => 'fr', ) I would like to create a MySQL query that uses the values of the array to form its WHERE clause like: SELECT * FROM table WHERE host = 1 and country = 'fr' How can I generate this query string to use with MySQL?

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  • Mysql dynamic query

    - by pradeep
    I have two table in mysql one tbl_a which has one int column id, second tbl_b which has one column song_ids in which data stored seapated by comma like 1,2,3,4 i want to select all id like this select * from tbl_a where id in (select song_id from tbl_b) but its giving me no record as its varchar HOW to do it in mysql

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  • MySql Driver not loaded

    - by ayla
    I use Visual Studio 2008, MySQL 5.0.90,Qt 4.6.3 and C++ I try connect MySql but it gives this error messages. Driver not loaded. I am new programmer. How cann I solve this problem? Thank a lot.

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