Re: Problem accessing phpmyadmin using IP from remote machine
Can you ping ip 192.168.1.9 from other machines? On Dec 11, 2012 11:21 AM, Girish Talluru girish.dev1...@gmail.com wrote: Hi Guys, I have environment as specified below. Main server: Windows Server 2008 Virtual Box: Oracle VM VM OS: Ubuntu Inside Ubuntu I downloaded and configured Apache, MySql, PHP and PhpMyadmin individually following an article which is mentioned below. https://help.ubuntu.com/community/ApacheMySQLPHP IP Configuration: LAN Address: 192.168.1.9 VirtualBox Address: 192.168.56.1 As mentioned in the file I commented the bind address in my.cnf file. Using http://localhost/phpmyadmin or http://127.0.0.1/phpmyadmin I could able to access the phpmyadmin but when I tried with the LAN/VM address http://192.168.1.0/phpmyadmin or http://192.168.56.1/phpmyadmin I'm trying this because I have requirement to access phpmyadmin from other machines in LAN. I tried to change the bind address to VM and LAN address and checked it is also not working. Can anyone suggest where am I thinking wrong? Suggestions please. Thanks, Girish Talluru
RE: How to block SELECT * FROM table; but not SELECT * FROMT table WHERE...;
Hi,
Or if you are interested in limiting the number of rows add a limit clause,
so that entire resultset of entire table is not returned ,
I am not sure how will that be done , but i have seen some GUIs doing that,
would look for a solution from group.
Thanks
Abhishek
-Original Message-
From: Martin Gainty [mailto:mgai...@hotmail.com]
Sent: 24 September 2012 04:58
To: fuller.art...@gmail.com; pownall...@gmail.com
Cc: mysql@lists.mysql.com
Subject: RE: How to block SELECT * FROM table; but not SELECT * FROMT
table WHERE...;
Possibly run your constructed query thru a regex expression e.g.
String mydata = SELECT * from table WHERE ab;; Pattern pattern =
Pattern.compile('WHERE'); Matcher matcher = pattern.matcher(mydata);
if (matcher.find()) { //WHERE clause found proceed normally } else
throw new Exception(WHERE clause not found); Martin
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Date: Sun, 23 Sep 2012 18:38:58 -0400
Subject: Re: How to block SELECT * FROM table; but not SELECT * FROMT
table WHERE...;
From: fuller.art...@gmail.com
To: pownall...@gmail.com
CC: mysql@lists.mysql.com
Tim,
I think you misunderstood the question. Daniel wants to block Select
queries that ask for all rwows, and permit only queries that ask for
some rows, as restricted by the Where clause.
Unfortunately, I don't think that can be done. But I'm not certain of
that; there might be a trick.
Arthur
www.artfulsoftware.com
On Sun, Sep 23, 2012 at 3:50 PM, Tim Pownall pownall...@gmail.com
wrote:
select * from table where column=value means it will return only
rows that match. as long as you have proper indexing there should
not be any issues.
On Sun, Sep 23, 2012 at 1:23 PM, Luis Daniel Lucio Quiroz
luis.daniel.lu...@gmail.com wrote:
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Which Database when lot of insert / update queries to execute
hi, I am biased on mysql, and hence i am asking this on mysql forum first. I am designing a solution which will need me to import from CSV, i am using my JAVA code to parse. CSV file has 500K rows, and i need to do it thrice an hour, for 10 hours a day. The Queries will mainly be update but select and insert also at times, The database size will be estimated to be about 5GB. I need to know is this a classic case for a NOSQL database or mysql is a good option. Also , if i need to do 'group by', on a column on a large table what should i keep in mind, is it advisable, Please advice, -- Thanks and kind Regards, Abhishek jain
RE: One table gets locked by itself
Hi Thanks, Where can i find query log for previous one,or i have to do some config in my.ini file, please let me know, Thanks Abhi -Original Message- From: Darryle [mailto:dstepli...@gmail.com] Sent: 08 May 2012 19:42 To: abhishek jain Cc: mysql@lists.mysql.com Subject: Re: One table gets locked by itself Chech your query log for queries hitting that tables. Myisam tables dont have row level locking. There is probably a slow query somewhere. Sent from my iPhone On May 8, 2012, at 10:04 AM, abhishek jain abhishek.netj...@gmail.com wrote: Hi I am facing a strange problem, from the last few days in one of my projects in production, i find that one of my table fails to retrieve or insert records, I think it gets locked somehow, certainly my code doesn't have code to do so explicitly. All / rest of tables are fine, only one table creates problem. All is well after i restart mysqld. Dont know what to check! Details are: Mysqld version: 5.0.x Linux - Centos 5 Table : MyISAM Please help me asap, Thanks, Abhi -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Deleting the duplicate values in a column
hi, If we have a following mysql table: Name - ids A 1 B 1 C 2 D 3 I want to remove all duplicate occurances and have a result like Name - ids C 2 D 3 how can i do that with a query in mysql Pl. help asap -- Thanks and kind Regards, Abhishek jain
reset auto increment to a lesser value
Hello friends, I need to reset auto increment to a lesser value, is there a metod to do so in any version of mysql. Pl. help me. Thanks abhi
Re: reset auto increment to a lesser value
On Sat, Aug 2, 2008 at 10:49 PM, Nacho Garcia [EMAIL PROTECTED] wrote: http://dev.mysql.com/doc/refman/5.0/en/example-auto-increment.html mysql *ALTER TABLE tbl AUTO_INCREMENT = 100;* On Sat, Aug 2, 2008 at 5:28 PM, abhishek jain [EMAIL PROTECTED] wrote: Hello friends, I need to reset auto increment to a lesser value, is there a metod to do so in any version of mysql. Pl. help me. Thanks abhi Hi Nacho, Thanks for the reply, But as per a thread on this link, if the resetted value is less than the highest value already in table then the effective increment value will start from highest number and not from 100. I have deleted some rows and i want the increment to start from those row-ids. Pl. reply, Thanks, Abhi
Fwd: Calendar event query
On 8/30/07, C.R.Vegelin [EMAIL PROTECTED] wrote: Hi Abhishek, Maybe it's off topic, but do you know: http://dev.mysql.com/downloads/other/eventum/ a ready-to-use issue tracking system ... maybe also suitable for your purposes. Regards, Cor - Original Message - From: abhishek jain [EMAIL PROTECTED] Subject: Calendar event query Hi friends, I need to make a calendar with some events. I have created an events table with the parameters like: eventid event_from event_till recurring recurring_after_day event_type userid and so on. My problem is to prepare a query which can give me events on a particular day or rather all days(in case of calendar view is daily) ,months(if view is monthly) and so on for year week including for events which are repeated also, so that i can show that on my calendar.The query will run on a fairly large no of users also so it should be efficient. I think the catch is about the recurring events. As for them the entry will be in one row and they will have virtually many rows one for each recurring event. So i want somthing like this for a particular userid : event_on count(*) event_type 235 7 237 8 246 6 254 6 26 10 6 27 15 . Pl. help me Thanks, Abhishek jain Hi , eventum will not solve my purpose. Pl. reply the calendar script is urgent and i need a query to actually give me all events within a time period including the recurring events, Thanks, Abhishek jain
Calendar event query
Hi friends, I need to make a calendar with some events. I have created an events table with the parameters like: eventid event_from event_till recurring recurring_after_day event_type userid and so on. My problem is to prepare a query which can give me events on a particular day or rather all days(in case of calendar view is daily) ,months(if view is monthly) and so on for year week including for events which are repeated also, so that i can show that on my calendar.The query will run on a fairly large no of users also so it should be efficient. I think the catch is about the recurring events. As for them the entry will be in one row and they will have virtually many rows one for each recurring event. So i want somthing like this for a particular userid : event_on count(*) event_type 235 7 237 8 246 6 254 6 26 10 6 27 15 . Pl. help me Thanks, Abhishek jain
Urgent: mysql_history on windows ?
Hi, I need to track the mysql commands executed on mine system , I am running windows with mysql 5.x I know there is a file .mysql_history and hopes there must be a similar file on windows too. Pl. help me urgently, Thanks, -- Regards, Abhishek Jain
Query needed for this sol.
Hi all, I need a query for the fol. sol. In a table i have 100s of rows with six categories like A,B,C,D,E,F which is marked with a column like Table ID Category 1 A 2 A 3 B 4 B 5 B 6 C 7 C and so on 100 ids for each of six categories , i want to delete all but 10 ids of each category, i wanted to know how to do so, Pl. help Thanks, Abhishek jain
Re: Google like search string to be implemented
So is there any other alternative. Thanks, Abhishek jain On 3/10/07, Michael Dykman [EMAIL PROTECTED] wrote: LIKE and NOT LIKE can be a dangerous path.. it is very easy to put yourself in a situation where your logic design requires full table scans for every query.. - michael dykman On 3/9/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/8/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/6/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/6/07, Nils Meyer [EMAIL PROTECTED] wrote: Hi, abhishek jain wrote: I am having a database with varchar(255) columns named title, extra_info1,extra_info2,extra_info3 . I want to search all these columns with a search string given to me via a form ,I am using PERL, the string will be like +abhishek jain -abcd this should be exact I think MySQL fulltext search in boolean mode would be the perfect choice for that: http://dev.mysql.com/doc/refman/5.0/en/fulltext-boolean.html You can use search strings like your example with that directly. regards Nils Hi Nils and all, I have gone through full text and here is a few limitations i find, 1. works only wiht MyISAM , now if i use innodb then ? anways this is not a major restrictions and can be removed, 2)Now i can not match within a word i mean the given word even in Boolean mode must start with the particular string word, even * would not work as the search string word should start with that, This is a major restriction. 3. i am not sure how to implement in joins. Pl. help, Thanks, Abhishek jain Hi guys, Pl. reply and give an alternative which i can use to include a partuial word in mine search string which i can match in a table coumn, Thanks, Abhishek jain Hi, What if i use multiple like and not like statements for searching . Pl. reply, Thanks, Abhishek jain -- - michael dykman - [EMAIL PROTECTED] - All models are wrong. Some models are useful.
Re: Google like search string to be implemented
On 3/8/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/6/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/6/07, Nils Meyer [EMAIL PROTECTED] wrote: Hi, abhishek jain wrote: I am having a database with varchar(255) columns named title, extra_info1,extra_info2,extra_info3 . I want to search all these columns with a search string given to me via a form ,I am using PERL, the string will be like +abhishek jain -abcd this should be exact I think MySQL fulltext search in boolean mode would be the perfect choice for that: http://dev.mysql.com/doc/refman/5.0/en/fulltext-boolean.html You can use search strings like your example with that directly. regards Nils Hi Nils and all, I have gone through full text and here is a few limitations i find, 1. works only wiht MyISAM , now if i use innodb then ? anways this is not a major restrictions and can be removed, 2)Now i can not match within a word i mean the given word even in Boolean mode must start with the particular string word, even * would not work as the search string word should start with that, This is a major restriction. 3. i am not sure how to implement in joins. Pl. help, Thanks, Abhishek jain Hi guys, Pl. reply and give an alternative which i can use to include a partuial word in mine search string which i can match in a table coumn, Thanks, Abhishek jain Hi, What if i use multiple like and not like statements for searching . Pl. reply, Thanks, Abhishek jain
Re: Google like search string to be implemented
On 3/6/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/6/07, Nils Meyer [EMAIL PROTECTED] wrote: Hi, abhishek jain wrote: I am having a database with varchar(255) columns named title, extra_info1,extra_info2,extra_info3 . I want to search all these columns with a search string given to me via a form ,I am using PERL, the string will be like +abhishek jain -abcd this should be exact I think MySQL fulltext search in boolean mode would be the perfect choice for that: http://dev.mysql.com/doc/refman/5.0/en/fulltext-boolean.html You can use search strings like your example with that directly. regards Nils Hi Nils and all, I have gone through full text and here is a few limitations i find, 1. works only wiht MyISAM , now if i use innodb then ? anways this is not a major restrictions and can be removed, 2)Now i can not match within a word i mean the given word even in Boolean mode must start with the particular string word, even * would not work as the search string word should start with that, This is a major restriction. 3. i am not sure how to implement in joins. Pl. help, Thanks, Abhishek jain Hi guys, Pl. reply and give an alternative which i can use to include a partuial word in mine search string which i can match in a table coumn, Thanks, Abhishek jain
Re: Google like search string to be implemented
On 3/6/07, Nils Meyer [EMAIL PROTECTED] wrote: Hi, abhishek jain wrote: I am having a database with varchar(255) columns named title, extra_info1,extra_info2,extra_info3 . I want to search all these columns with a search string given to me via a form ,I am using PERL, the string will be like +abhishek jain -abcd this should be exact I think MySQL fulltext search in boolean mode would be the perfect choice for that: http://dev.mysql.com/doc/refman/5.0/en/fulltext-boolean.html You can use search strings like your example with that directly. regards Nils Hi Nils and all, I have gone through full text and here is a few limitations i find, 1. works only wiht MyISAM , now if i use innodb then ? anways this is not a major restrictions and can be removed, 2)Now i can not match within a word i mean the given word even in Boolean mode must start with the particular string word, even * would not work as the search string word should start with that, This is a major restriction. 3. i am not sure how to implement in joins. Pl. help, Thanks, Abhishek jain
Re: Does casing of Table names matter on Linux
On 3/5/07, abhishek jain [EMAIL PROTECTED] wrote: On 3/1/07, abhishek jain [EMAIL PROTECTED] wrote: On 2/28/07, Ow Mun Heng [EMAIL PROTECTED] wrote: On Wed, 2007-02-28 at 15:05 +0530, abhishek jain wrote: Hi Friends, I have been developing one application over Windows and now i want to move/port that into linux, i want to know will the casing of the table name matter on linux ie if i have table name as tab1 and i execute query like select * from TAb1 ,will it make an effect. I have found that this is not a problem on windows but it is on linux, i want a sol. for that a i can not change all the table names as in some places it is in small case and in other places it is in capital case. Yes.. There is a difference. Casing Matters in *nix. However there is an option for turning if off. # http://dev.mysql.com/doc/refman/5.0/en/name-case-sensitivity.html lower_case_table_names = 1 Hi Friends, Thanks for the mails. Now i have made a mistake.In mine code i have somwhere capital case and in other place the small case for the table names. I cannot change the case in mine code and cannot resist the change to the Linux . What is the remedy now i mean can something be done now to make linux be case insensitive, Pl. help me, Thanks, Abhishek jain So friends , If anyone know abt the sol. pl. let me know Thanks, Abhishek jain
Google like search string to be implemented
Hi Friends, I am having a database with varchar(255) columns named title, extra_info1,extra_info2,extra_info3 . I want to search all these columns with a search string given to me via a form ,I am using PERL, the string will be like +abhishek jain -abcd this should be exact As you can see the word/words prefixed with + should be there somewhere in the above columns in database ,with - should not be there and within they should be exact phrase. I want a sol. for this, Pl. help me how to make a search queruy will it be in regex or simople like and not like , i will be having about 1 lac records in the database. Thanks, Abhishek jain
Does casing of Table names matter on Linux
Hi Friends, I have been developing one application over Windows and now i want to move/port that into linux, i want to know will the casing of the table name matter on linux ie if i have table name as tab1 and i execute query like select * from TAb1 ,will it make an effect. I have found that this is not a problem on windows but it is on linux, i want a sol. for that a i can not change all the table names as in some places it is in small case and in other places it is in capital case. Pl. help me, Thanks, Abhishek jain
Re: Does casing of Table names matter on Linux
On 2/28/07, Ow Mun Heng [EMAIL PROTECTED] wrote: On Wed, 2007-02-28 at 15:05 +0530, abhishek jain wrote: Hi Friends, I have been developing one application over Windows and now i want to move/port that into linux, i want to know will the casing of the table name matter on linux ie if i have table name as tab1 and i execute query like select * from TAb1 ,will it make an effect. I have found that this is not a problem on windows but it is on linux, i want a sol. for that a i can not change all the table names as in some places it is in small case and in other places it is in capital case. Yes.. There is a difference. Casing Matters in *nix. However there is an option for turning if off. # http://dev.mysql.com/doc/refman/5.0/en/name-case-sensitivity.html lower_case_table_names = 1 Hi Friends, Thanks for the mails. Now i have made a mistake.In mine code i have somwhere capital case and in other place the small case for the table names. I cannot change the case in mine code and cannot resist the change to the Linux . What is the remedy now i mean can something be done now to make linux be case insensitive, Pl. help me, Thanks, Abhishek jain
Data back up for innodb tables - Copy paste
Hi, I want to copy paste the data files of Innodb database, is it possible, i mean can i just copy the data files like that we do for myisam tables, Thanks, Abhishek jain
Re: max_allowed_packet in my.ini
On 2/3/07, abhishek jain [EMAIL PROTECTED] wrote: Hi friends, I am using mysql 5.0.23-nt on windows, i have to store large binary data in database, i have used setting like max_allowed_packet=16M in mysqld section of my.ini . Now i have a poblem that i want to create a setup so that the entry gets added itself into the my,ini , reason being i need to create many setups on diff. machine and i do not want to search the mysqld section and write the line and restart mysql . I can however would like to do via mysqladmin or so if it is possible as i can invoke that via mine .net program Would appreciate your comments on this, Thanks . Abhishek jain Hi Friends. Pl. reply, Thanks, Abhishek jain
max_allowed_packet in my.ini
Hi friends, I am using mysql 5.0.23-nt on windows, i have to store large binary data in database, i have used setting like max_allowed_packet=16M in mysqld section of my.ini . Now i have a poblem that i want to create a setup so that the entry gets added itself into the my,ini , reason being i need to create many setups on diff. machine and i do not want to search the mysqld section and write the line and restart mysql . I can however would like to do via mysqladmin or so if it is possible as i can invoke that via mine .net program Would appreciate your comments on this, Thanks . Abhishek jain
How to keep myqsl backup server
Hi friends, I need to create an application where i will be requiring a backup server like when one server fails i can switch automatically to the other server hosted somewhere else , now the data needs to be consistent on both the servers, one sol is i keep automated backups on the primary server and restore it by a script on the backup server, but i need to know how will i switch between servers and if i use domain names instead of ips how will i make immediate switch. I know some part of the question is not appropriate for this mailing list but pl help. Regards, Abhishek jain
Re: Urgent: How to decode base64 via mysql V 5.0.x
Hi, Initially i thought it solved the problem but then i realized that the encoding done by PERL and this mysql function is different.I compated and found that the difference is in a new line , in this function the encoded output is all in one line and the same done via PERL via MIME::Base64 module gives in a different line after some same no of characters. Pl. someone give me a sol. to it. I coould have attached the files but the mailing list wont support that. Also pl. forgive mine top posting. -- Regards, Abhishek jain On 10/17/06, Ady Wicaksono [EMAIL PROTECTED] wrote: http://firestuff.org/wordpress/wp-content/uploads/2006/03/base64.sql On 10/17/06, abhishek jain [EMAIL PROTECTED] wrote: Hi, I want to decode base 64 string via mysql . Also i am using aspx .net . Pl. help me. Urgent reply will be appreciated -- Regards, Abhishek jain
Urgent: How to decode base64 via mysql V 5.0.x
Hi, I want to decode base 64 string via mysql . Also i am using aspx .net . Pl. help me. Urgent reply will be appreciated -- Regards, Abhishek jain
Re: Urgent: How to decode base64 via mysql V 5.0.x
Hi, Yes that solved the problem and was fast. I would like to know now that is there anyother way for the same in earlier versions of mysql. Thanks again, -- Regards, Abhishek jain On 10/17/06, Ady Wicaksono [EMAIL PROTECTED] wrote: http://firestuff.org/wordpress/wp-content/uploads/2006/03/base64.sql On 10/17/06, abhishek jain [EMAIL PROTECTED] wrote: Hi, I want to decode base 64 string via mysql . Also i am using aspx .net . Pl. help me. Urgent reply will be appreciated -- Regards, Abhishek jain
How to get the size of a row
Hi, I wanted to know the size of the data stored in a row of a table. I mean is there something like select size from table where x... -- Regards Abhishek Jain
A tricky Query
Hi, I have a table like : ID date_from date_to price_code price dateadded 1 07:10:2006 31:12:2099 p11007:10:06 2 17:10:2006 31:12:2099 p12007:10:06 3 27:10:2006 31:12:2099 p11007:10:06 4 01:11:2006 31:12:2099 p12007:10:06 5 05:10:2006 31:12:2099 p12008:10:06 6 10:10:2006 31:12:2099 p12008:10:06 7 25:10:2006 31:12:2099 p12008:10:06 Basically there are price codes and the price , i have to find the effective price for the date today. The price must be calculated also on the latest added date. Pl. help me. I shall be very grateful. -- Regards, Abhishek jain
How to find the top most member in a hierarchy of subcategories
Hi, I have a table structure like : ID , NAME, PARENT_ID 1 , Top , 0 2 , Level 1 , 1 3 , Level 2 ,2 4 , Another Top , 0 and so on. I wanted to know the topmost cat. if i have the lowest category id ie. 3 in this case. I wanted to get like 3-2-1 Pl. help me , cn i do this in one query, also i do not know how many sublevels are there, Thanks, Abhishek jain
which is better long rows in table or two short row tables
Dear Friends, I was to create a site with quite some heavy mySQL database. I wanted to know which is better longer rows in a table or two short rows tables. When compared in terms of speed etc. Pl. help me , with this question and any other tip you may find can be useful to me. Thanks, Abhishek jain
What is the best coding ethics related to mysql
Hi all, I have been using mysql from last few years but for small projects only, recently i have been on to some good projects, I want toknow what is the best coding practices for mysql to kee it fast etc. I mean in mine earlier post one friend told me that size upto 4 GB can be achieved with Mysql. I want to know: 1)Which is better a long table in terms of nos. of columns or use join and increase the columns. eg. in simple registration site we have 20 columns , we should use it in same table or use it in two diff. tables. 2)To use indexes to the maximum or restrain its use. 3)etc. Pl. point me to good advanced tutorial of mysql. Also is there any certification of mysql, php etc. Thanks, Abhishek Jain
On what factors does speed of mysql depends
Dear Friends, I have a database with approximately 10 tables with about 1 lakh records each in 3 tables, I need to know that on what factors does the speed of mysql depends, 1)Does a table having records effects the speed of data fetch of another table in the same database. 2)Whats the approximate size of a table ideal for mysql, Any other factors you want mine attention to be foccused on. Thanks, Abhishek Jain
Re: Output to a file
On 5/5/06, Rhino [EMAIL PROTECTED] wrote: - Original Message - From: Payne [EMAIL PROTECTED] To: mysql@lists.mysql.com Sent: Friday, May 05, 2006 12:09 AM Subject: Output to a file Hey, been trying to output a select statment to a file, all the books I have only show how to input from a file, what is the correct way I thought I could do select * from my_toy `/tmp/my_toys` But I get an error. Here is a snippet from some documentation about MySQL which I wrote for myself. It shows a different technique for capturing output from a batch file into an output file; if the batch file contains 'select * from my_toy', it will capture the output in a file. It's not exactly what you want but maybe it will be close enough. Running a script from OS prompt If you are connected to the database and are at an OS prompt, use this pattern: mysql batch-file output-file For example, if I want to run a script or batch file named my_batch_file.sql and write the output of the script to a file named my_batch_file.out, I'd need to do this: mysql my_batch_file.sql my_batch_file.out If you are NOT connected to the database, use this pattern: mysql -u username -p batch_file output_file For example, if your user name is 'fred' and your password is 'dino' and you want to run a script or batch file named my_batch_file.sql against database 'barf' and write the output to a file called my_batch_file.out, you'll need to do this: mysql barf -u fred -p my_batch_file.sql my_batch_file.out [Be sure to supply the password when prompted.] -- Rhino -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.392 / Virus Database: 268.5.4/332 - Release Date: 04/05/2006 -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED] select * into outfile '/tmp/new.txt' from tablename where condition = '1'; looks to me a good option. Best Regards, Abhishek Jain
How to synchronize two databases
Dear Friends, I have two databases with the same name and table structure but the content is different, I need to synchronize them i mean the data inside one database need to be updated with the other one leaving the etries which are similar. Let me give a single example: DB1:table1 Rows like : userid name Ist row 1 abhishek IInd row 2 jain III row 3 rahul DB2:table1 Rows like : userid name Ist row 1 abhishek IInd row 2 amitabh III row 3 vijay Now i want like : Rows like : userid name Ist row 1 abhishek IInd row 2 jain III row 3 rahul IV row 4 amitabh V row 5 vijay NOTE: Here DB1 = database names , table1 = table name . How can i do that via mysql or that i need to prepare a script for this can anyone help. Regards, Abhishek Jain
Re: How to Find Most Recent Autoincrement Index Assigned???
Hi, Actually i update(increment by 1 ) a value in a table with only one row, ie. update table1 set col = col+1; Can i get the updated value without diong select in the same query with update. Because if i run Select after that than some time is lost and in the mean time any other process updates the table and i do not get the exact value. Thanks, Abhishek Jain On 4/22/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: From 'Section 13.5.3 SET Syntax' of the 5.0.18 ref manual: IDENTITY = value The variable is a synonym for the LAST_INSERT_ID variable. It exists for compatibility with other database systems. You can read its value with SELECT @@IDENTITY, and set it using SET IDENTITY. INSERT_ID = value Set the value to be used by the following INSERT or ALTER TABLE statement when inserting an AUTO_INCREMENT value. This is mainly used with the binary log. LAST_INSERT_ID = value Set the value to be returned from LAST_INSERT_ID(). This is stored in the binary log when you use LAST_INSERT_ID() in a statement that updates a table. Setting this variable does not update the value returned by the mysql_insert_id() C API function. Eg. mysql select @@last_insert_id; +--+ | @@last_insert_id | +--+ |0 | +--+ 1 row in set (0.04 sec) mysql select @@insert_id; +-+ | @@insert_id | +-+ | 0 | +-+ 1 row in set (0.00 sec) mysql select @@identity; ++ | @@identity | ++ | 0 | ++ 1 row in set (0.00 sec) mysql set @@last_insert_id = 5; Query OK, 0 rows affected (0.00 sec) mysql select @@last_insert_id; +--+ | @@last_insert_id | +--+ |5 | +--+ 1 row in set (0.00 sec) mysql select @@insert_id; +-+ | @@insert_id | +-+ | 5 | +-+ 1 row in set (0.00 sec) mysql select @@identity; ++ | @@identity | ++ | 5 | ++ 1 row in set (0.00 sec) So it appears you can use either of the three variables above to achieve the same effect. Regards Keith On Sat, 22 Apr 2006, Michael Stassen wrote: To: David T. Ashley [EMAIL PROTECTED] From: Michael Stassen [EMAIL PROTECTED] Subject: Re: How to Find Most Recent Autoincrement Index Assigned??? David T. Ashley wrote: I'm using PHP, and I sometimes INSERT new records in a table. MySQL assigns a new autoincrement int field on each INSERT ... nothing surprising there. It goes 1, 2, 3, etc. What query can I use to find out what value this int autoincrement assigned field was? I could of course SELECT based on what was just inserted, but that seems inefficient. Thanks for any help, Dave. LAST_INSERT_ID() http://dev.mysql.com/doc/refman/4.1/en/information-functions.html Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Why does this query takes a lot of time
Dear Friends, I have two table joined by the followng query, the problem is this simple query takes a lot of time greater than 10 mins depending on the number of records, Pl. help me find out the reason: Table 1: id_key primary and auto increment recordID varchar(100) login_name varchar(255) blah blah Table 2: id_key primary and auto increment recordID varchar(100) blah blah Query: SELECT count( * ) FROM table1 s, table2 c WHERE s.login_name = 'abhishek' and s.recordID=c.recordID; recordID in table 1 needs to be same to that in table2.I mean recordID needs to be the mapping thing. Pl. help me it is important to me. Thanks, Abhishek Jain
Fwd: Fetch and updation in single step/query
No i do not want an autoincrement key , as i want to be only one row in the table and it value gets incremented / updated and i to know whats its current value. -- Regards Abhishek Jain On 4/19/06, Michael Kruckenberg [EMAIL PROTECTED] wrote: Seems like what you need is an auto-increment key. Is that out of the question? On Apr 18, 2006, at 1:34 AM, abhishek jain wrote: Dear Friends, I run several processes and they need to query the mysql 5.0.8 database simultaneously .I have a config table which have the record id. I need to fetch that and increment that .What I feel that the same record id is fetched by different simultaneosly before i update .Can anyone help me in either: 1)telling me a single query which will fetch and incr. in the same query. so the problem of simultaneously queries are solved. 2)A system by which delaying the other queries are done, I use PHP . Expecting a quick reply. Thanks, Abhishek Jain
How to initiate a prog. via mysql
Dear Friends, I need to start a prog. as soon as a particular field in the mySQL 4.x is changed. ie. when in Flag table if_flag is set to '1' i need to start a script. The script will be in PHP. Pl. tell me how to do so on mySQL 4.x. I shall be very grateful. -- Regards, Abhishek Jain
Fetch and updation in single step/query
Dear Friends, I run several processes and they need to query the mysql 5.0.8 database simultaneously .I have a config table which have the record id. I need to fetch that and increment that .What I feel that the same record id is fetched by different simultaneosly before i update .Can anyone help me in either: 1)telling me a single query which will fetch and incr. in the same query. so the problem of simultaneously queries are solved. 2)A system by which delaying the other queries are done, I use PHP . Expecting a quick reply. Thanks, Abhishek Jain
How to remove muiltiple queries to a table at the same time
Dear Friends, I run several processes and they need to query the mysql 5.0.8 database simultaneously .I have a config table which have the record id. I need to fetch that and increment that .What I feel that the same record id is fetched by different simultaneosly before i update .Can anyone help me in either: 1)telling me a single query which will fetch and incr. in the same query. so the problem of simultaneously queries are solved. 2)A system by which delaying the other queries are done, I use PHP . Expecting a quick reply. Thanks, Abhishek Jain
How to take dump of a query instead of table / database
Dear Friends, I need to take the backup of a query, is it possible. If yes how. -- Regards Abhishek jain www.smsengine.co.uk
Mysql Finding the country name from country prefix
Hi Friends, I have a ticky mysql problem. I need to find the country name from the country prefix so eg. i have a mysql table with prefix and name as the coumns and with datas like : Prefix, Name 1 USA 11XYZ 44UK 91India 92Pakistan 123 ZXF and i have a number like 911122334455 and i need t match that to india. I cannt do that directly by this statement select name from country_table where prefix='91'; for the simple reason as i do not have the length or the no. of digits the prefix is beforehand. Pl. help me out. Quick help will be appreciated. -- -- Regards *Jain** *
