Re: delete syntax
2011/12/2 Reindl Harald h.rei...@thelounge.net well, i am using delete/insert-statements since 10 years to maintain users since you only have to know the tables in the database mysql and use flush privileges after changes The privileges should be maintained only using the designated commands. You cannot rely on the knowledge you have of the underlying implementation which can change anytime , while the privileges command are standard. *Cheers* Claudio Nanni DROP USER is the only SINGLE COMMAND as long as you do not use table/column-privileges there are exactly two relevant tables: user and db Am 02.12.2011 05:15, schrieb Stdranwl: DROP USER command is the only command to remove any user and its association from all other tables. On Fri, Dec 2, 2011 at 8:22 AM, Reindl Harald h.rei...@thelounge.net wrote: ALWAYS start with select * from mysql.user where user='mail_admin' and host like '\%'; and look what records are affected to make sure the were-statement works as expected and then use CURSOR UP and edit the last command to delete from not only doing this while unsure with escapes protects you against logical mistakes like forget a and column=1 and get 1000 rows affected with no way back -- Claudio
Re: delete syntax
Am 02.12.2011 21:59, schrieb Claudio Nanni: 2011/12/2 Reindl Harald h.rei...@thelounge.net well, i am using delete/insert-statements since 10 years to maintain users since you only have to know the tables in the database mysql and use flush privileges after changes The privileges should be maintained only using the designated commands. You cannot rely on the knowledge you have of the underlying implementation which can change anytime , while the privileges command are standard. do what you think is good for you if YOU can't be sure what you do there where i work i test updates and look at the user-tables and that is why i fixed problems where root did not have the right permissions after upgrade to 5.1 what was not corrected with mysql_upgrade an rolled out without any problems the same way i currently roll out fedora 15 on 24 production servers because i know what i do and have the infrastructure to prepare such major-upgrades to do them finally live after all tests are successfull and the local cach- and internal-repos are filled so please do not tell other peopole on what knowledge they can rely signature.asc Description: OpenPGP digital signature
Re: delete syntax
well, i am using delete/insert-statements since 10 years to maintain users since you only have to know the tables in the database mysql and use flush privileges after changes The privileges should be maintained only using the designated commands. You cannot rely on the knowledge you have of the underlying implementation which can change anytime , while the privileges command are standard. do what you think is good for you if YOU can't be sure what you do [snip] so please do not tell other peopole on what knowledge they can rely *all* the back and forth in these threads is good.. is susses out all the knowledge for everyone to see. Sincerely thanks to everyone who chimes in from all perspectives, -Govinda -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
delete syntax
hello list, I am attempting to delete a user from the mysql.user table without success. mysql delete from mysql.user where user='mail_admin@%'; Query OK, 0 rows affected (0.00 sec) mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | I would appreciate any advice you may have. Regards, Tim -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Re: delete syntax
delete from mysql.user where user='mail_admin'; Krishna On Fri, Dec 2, 2011 at 7:23 AM, Tim Dunphy bluethu...@jokefire.com wrote: hello list, I am attempting to delete a user from the mysql.user table without success. mysql delete from mysql.user where user='mail_admin@%'; Query OK, 0 rows affected (0.00 sec) mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | I would appreciate any advice you may have. Regards, Tim -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Re: delete syntax
Hello Krishna, Thanks but I probably should have noted that I only want to delete the wildcard user. There are other users I would prefer to not delete. mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | | mail_admin | 127.0.0.1 | | mail_admin | localhost | | mail_admin | localhost.localdomain | ++---+ 4 rows in set (0.00 sec) sorry for not including enough information last time. best tim - Original Message - From: Krishna Chandra Prajapati prajapat...@gmail.com To: Tim Dunphy bluethu...@jokefire.com Cc: mysql@lists.mysql.com Sent: Thursday, December 1, 2011 9:03:46 PM Subject: Re: delete syntax delete from mysql.user where user='mail_admin'; Krishna On Fri, Dec 2, 2011 at 7:23 AM, Tim Dunphy bluethu...@jokefire.com wrote: hello list, I am attempting to delete a user from the mysql.user table without success. mysql delete from mysql.user where user='mail_admin@%'; Query OK, 0 rows affected (0.00 sec) mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | I would appreciate any advice you may have. Regards, Tim -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Re: delete syntax
On 2011-12-02, Tim Dunphy bluethu...@jokefire.com wrote: Thanks but I probably should have noted that I only want to delete the wildcard user. There are other users I would prefer to not delete. mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | | mail_admin | 127.0.0.1 | | mail_admin | localhost | | mail_admin | localhost.localdomain | ++---+ 4 rows in set (0.00 sec) This is just a regular table with a user and host column. If you wanted to delete the localhost row, you'd do delete from mysql.user where user='mail_admin' and host='localhost'; flush privileges; You'd need to flush privileges because you're munging the user table. But it's probably much better to use the DROP USER command. --keith -- kkeller-use...@wombat.san-francisco.ca.us (try just my userid to email me) AOLSFAQ=http://www.therockgarden.ca/aolsfaq.txt see X- headers for PGP signature information -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Re: delete syntax
You can try delete from mysql.user where user='mail_admin' and host like '\%' ; Note: I haven't tested it and since % is a wildcard you need to escape it. Best, Shiv On Thu, Dec 1, 2011 at 6:09 PM, Tim Dunphy bluethu...@jokefire.com wrote: Hello Krishna, Thanks but I probably should have noted that I only want to delete the wildcard user. There are other users I would prefer to not delete. mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | | mail_admin | 127.0.0.1 | | mail_admin | localhost | | mail_admin | localhost.localdomain | ++---+ 4 rows in set (0.00 sec) sorry for not including enough information last time. best tim - Original Message - From: Krishna Chandra Prajapati prajapat...@gmail.com To: Tim Dunphy bluethu...@jokefire.com Cc: mysql@lists.mysql.com Sent: Thursday, December 1, 2011 9:03:46 PM Subject: Re: delete syntax delete from mysql.user where user='mail_admin'; Krishna On Fri, Dec 2, 2011 at 7:23 AM, Tim Dunphy bluethu...@jokefire.com wrote: hello list, I am attempting to delete a user from the mysql.user table without success. mysql delete from mysql.user where user='mail_admin@%'; Query OK, 0 rows affected (0.00 sec) mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | I would appreciate any advice you may have. Regards, Tim -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/mysql
Re: delete syntax
ALWAYS start with select * from mysql.user where user='mail_admin' and host like '\%'; and look what records are affected to make sure the were-statement works as expected and then use CURSOR UP and edit the last command to delete from not only doing this while unsure with escapes protects you against logical mistakes like forget a and column=1 and get 1000 rows affected with no way back Am 02.12.2011 03:43, schrieb Shiva: delete from mysql.user where user='mail_admin' and host like '\%' ; Note: I haven't tested it and since % is a wildcard you need to escape it. On Thu, Dec 1, 2011 at 6:09 PM, Tim Dunphy bluethu...@jokefire.com wrote: Thanks but I probably should have noted that I only want to delete the wildcard user. There are other users I would prefer to not delete. mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | | mail_admin | 127.0.0.1 | | mail_admin | localhost | | mail_admin | localhost.localdomain | ++---+ 4 rows in set (0.00 sec) signature.asc Description: OpenPGP digital signature
Re: delete syntax
DROP USER command is the only command to remove any user and its association from all other tables. Cheers On Fri, Dec 2, 2011 at 8:22 AM, Reindl Harald h.rei...@thelounge.netwrote: ALWAYS start with select * from mysql.user where user='mail_admin' and host like '\%'; and look what records are affected to make sure the were-statement works as expected and then use CURSOR UP and edit the last command to delete from not only doing this while unsure with escapes protects you against logical mistakes like forget a and column=1 and get 1000 rows affected with no way back Am 02.12.2011 03:43, schrieb Shiva: delete from mysql.user where user='mail_admin' and host like '\%' ; Note: I haven't tested it and since % is a wildcard you need to escape it. On Thu, Dec 1, 2011 at 6:09 PM, Tim Dunphy bluethu...@jokefire.com wrote: Thanks but I probably should have noted that I only want to delete the wildcard user. There are other users I would prefer to not delete. mysql select user,host from mysql.user where user='mail_admin'; ++---+ | user | host | ++---+ | mail_admin | % | | mail_admin | 127.0.0.1 | | mail_admin | localhost | | mail_admin | localhost.localdomain | ++---+ 4 rows in set (0.00 sec)
Re: delete syntax
well, i am using delete/insert-statements since 10 years to maintain users since you only have to know the tables in the database mysql and use flush privileges after changes DROP USER is the only SINGLE COMMAND as long as you do not use table/column-privileges there are exactly two relevant tables: user and db Am 02.12.2011 05:15, schrieb Stdranwl: DROP USER command is the only command to remove any user and its association from all other tables. On Fri, Dec 2, 2011 at 8:22 AM, Reindl Harald h.rei...@thelounge.netwrote: ALWAYS start with select * from mysql.user where user='mail_admin' and host like '\%'; and look what records are affected to make sure the were-statement works as expected and then use CURSOR UP and edit the last command to delete from not only doing this while unsure with escapes protects you against logical mistakes like forget a and column=1 and get 1000 rows affected with no way back signature.asc Description: OpenPGP digital signature
DELETE syntax
Hi,
I need to know the syntax I can use for a certain delete statement. This is
the idea:
- A table with users, which has at least these fields, a user id field and a
field containing its status (active, disabled, review).
- A table that links certain users to each other, containing at least these
fields: a link id, a user id 1 and a user id 2.
Now I want to delete all records from the second table when any of the
linked users is disabled, eg something like this:
DELETE FROM `matches` WHERE `userAid` IN ('SELECT `ID` FROM `users` WHERE
`status`='disabled')' OR `userBid` IN ('SELECT `ID` FROM `users` WHERE
`status`='disabled')'
The query must be run on a mysql server version 4.0.24
Thanks for any help with this one,
Mark
Re: DELETE syntax
http://dev.mysql.com/doc/mysql/en/delete.html
...
Multiple-table syntax:
DELETE [LOW_PRIORITY] [QUICK] [IGNORE]
tbl_name[.*] [, tbl_name[.*] ...]
FROM table_references
[WHERE where_definition]
Or:
DELETE [LOW_PRIORITY] [QUICK] [IGNORE]
FROM tbl_name[.*] [, tbl_name[.*] ...]
USING table_references
[WHERE where_definition]
...
From MySQL 4.0, you can specify multiple tables in the DELETE
statement to delete rows from one or more tables depending on a
particular condition in multiple tables. However, you cannot use ORDER
BY or LIMIT in a multiple-table DELETE.
The first multiple-table DELETE syntax is supported starting from MySQL
4.0.0. The second is supported starting from MySQL 4.0.2. The
table_references part lists the tables involved in the join. Its syntax
is described in Section 13.2.7.1, “JOIN Syntax”.
That's fo MyISAM and.. for InnoDB read Rhino's answer to Merlin's
thread (just above) deleting rows in 2 tables about Foreign key(s) and
on delete cascade
[EMAIL PROTECTED] wrote:
Hi,
I need to know the syntax I can use for a certain delete statement. This is
the idea:
- A table with users, which has at least these fields, a user id field and a
field containing its status (active, disabled, review).
- A table that links certain users to each other, containing at least these
fields: a link id, a user id 1 and a user id 2.
Now I want to delete all records from the second table when any of the
linked users is disabled, eg something like this:
DELETE FROM `matches` WHERE `userAid` IN ('SELECT `ID` FROM `users` WHERE
`status`='disabled')' OR `userBid` IN ('SELECT `ID` FROM `users` WHERE
`status`='disabled')'
The query must be run on a mysql server version 4.0.24
Thanks for any help with this one,
Mark
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multiple table delete syntax question
I have a question about the multiple table delete syntax. First the documentation on the website is very clear. My question is why not how. The 'delete from using' is not ambiguous (to me). My question is about the form: delete t1 from t1,t2 where ... I would take this to mean remove matching records from t2. I assume the reason records are removed from t1 is SQL language consistency. But as an SQL newbie, I can not see it. Thanks for any thoughts. _ Douglas Denault http://www.safeport.com [EMAIL PROTECTED] Voice: 301-469-8766 Fax: 301-469-0601 -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: multiple table delete syntax question
[EMAIL PROTECTED] wrote: I have a question about the multiple table delete syntax. First the documentation on the website is very clear. My question is why not how. The 'delete from using' is not ambiguous (to me). My question is about the form: delete t1 from t1,t2 where ... I would take this to mean remove matching records from t2. I assume the reason records are removed from t1 is SQL language consistency. But as an SQL newbie, I can not see it. Thanks for any thoughts. _ Douglas Denault The point is to distinguish between the tables which are joined to pick the rows and the tables from which rows are to be deleted. You have 2 options: DELETE FROM t1 USING t1,t2 ... or DELETE t1 FROM t1,t2 ... Perhaps you are extrapolating from 'DELETE FROM t1...' to expect that the second form should delete from both tables, but note that the second form is not 'DELETE FROM t1,t2...', it's 'DELETE t1 FROM t1,t2...'. If you must relate it to something, I'd suggest 'SELECT t1.* FROM t1,t2 ...' is the natural parallel. Michael -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: multiple table delete syntax question
I have no problem understanding the syntax, or how to do what I want (at least after my first mistake). It is more about if this is a consistant grammar. For example, unix commands have the form verb src object, except for ln -s (IMO). From a lexical view, I do not think the two forms are parallel. My question was, is this to be consistant with other sql constructs, or is it just the way it is? On Sun, 25 Jul 2004, Michael Stassen wrote: The point is to distinguish between the tables which are joined to pick the rows and the tables from which rows are to be deleted. You have 2 options: DELETE FROM t1 USING t1,t2 ... or DELETE t1 FROM t1,t2 ... Perhaps you are extrapolating from 'DELETE FROM t1...' to expect that the second form should delete from both tables, but note that the second form is not 'DELETE FROM t1,t2...', it's 'DELETE t1 FROM t1,t2...'. If you must relate it to something, I'd suggest 'SELECT t1.* FROM t1,t2 ...' is the natural parallel. Michael _ Douglas Denault http://www.safeport.com [EMAIL PROTECTED] Voice: 301-469-8766 Fax: 301-469-0601 -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
DELETE SYNTAX - [QUICK] option
Hi MySQL Fans ;-); Does anybody understand what the QUICK option is doing when used with the DELETE command ? It says in the manual ..no MERGEing of INDEX leaves during delete. Sorry, but I could not make any sense out of this. Could somebody please be so kind to enlighten me ? I guess it is related somehow to optimizing the index or space of a table. Best regards -- --- Valentin Nils Internet Technology E-Mail: [EMAIL PROTECTED] URL: http://www.knowd.co.jp Personal URL: http://www.knowd.co.jp/staff/nils -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: DELETE SYNTAX - [QUICK] option
At 16:22 +0900 6/26/03, Nils Valentin wrote: Hi MySQL Fans ;-); Does anybody understand what the QUICK option is doing when used with the DELETE command ? It says in the manual ..no MERGEing of INDEX leaves during delete. Sorry, but I could not make any sense out of this. Could somebody please be so kind to enlighten me ? I guess it is related somehow to optimizing the index or space of a table. It may make the query quicker because the server doesn't do as much messing around fixing up the leaves of the index tree. Best regards -- --- Valentin Nils Internet Technology E-Mail: [EMAIL PROTECTED] URL: http://www.knowd.co.jp Personal URL: http://www.knowd.co.jp/staff/nils -- Paul DuBois, Senior Technical Writer Madison, Wisconsin, USA MySQL AB, www.mysql.com Are you MySQL certified? http://www.mysql.com/certification/ -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
'delete' syntax
Hi, I'm just wondering what the right syntax for using the delete statement is? I'm trying to write a simple garbage collection/deletion query similar to the queries below. delete from 'item' where 'quantity_of_item_in_stock' = 10; (the above version of the query pops up a Java-applet alert asking if I really want to xyz, then it gives an error in MyPHPAdmin) delete * from 'item' where 'quantity_of_item_in_stock' = 10; (this one just gives an error in MyPHPAdmin) Thanks again! Marc On two occasions I have been asked [by members of Parliament!], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question. ~Charles Babbage
Re: 'delete' syntax
warm-fusion wrote: Hi, I'm just wondering what the right syntax for using the delete statement is? I'm trying to write a simple garbage collection/deletion query similar to the queries below. delete from 'item' where 'quantity_of_item_in_stock' = 10; delete from item where quantity_of_item_in_stock =10; (the above version of the query pops up a Java-applet alert asking if I really want to xyz, then it gives an error in MyPHPAdmin) delete * from 'item' where 'quantity_of_item_in_stock' = 10; (this one just gives an error in MyPHPAdmin) Thanks again! Marc On two occasions I have been asked [by members of Parliament!], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question. ~Charles Babbage -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: 'delete' syntax
Hi,
On Mon, Mar 31, 2003 at 03:40:03PM +0100, warm-fusion wrote:
Hi, I'm just wondering what the right syntax for using the delete
statement is? I'm trying to write a simple garbage collection/deletion
query similar to the queries below.
delete from 'item' where 'quantity_of_item_in_stock' = 10;
Why do you use quotes around table and field names? If you want to, then
use backquotes (`) i.s.o. quotes (') or double quotes (). The latter
are used for strings.
(the above version of the query pops up a Java-applet alert asking if I
really want to xyz, then it gives an error in MyPHPAdmin)
delete * from 'item' where 'quantity_of_item_in_stock' = 10;
Yes, this is incorrect syntax.
Regards,
Fred.
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re: Delete syntax
smudholkar, Tuesday, September 17, 2002, 12:26:05 AM, you wrote: saadc I am trying to write a delete query that will remove saadc records from one table based on information from saadc another table. In this example, there is a table called saadc accounting which contains two fields: username and saadc sessiontime and another table called users with two saadc fields: username and password. I would like records to saadc be deleted from the users table if the session time in saadc the accounting table exceeds a certain value, say 1000. saadc I have written the following statement: saadc delete from users where accounting.username = saadc users.username and accounting.sessiontime 1000; saadc The statement fails to execute with the following saadc error: Unknown table accounting in where clause and saadc I cant figure out why. Your help is greatly saadc appreciated, thanks in advance! Because you don't specify table 'accounting' in the FROM clause. take a look at correct syntax for multi-table delete: http://www.mysql.com/doc/en/DELETE.html -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ __ / |/ /_ __/ __/ __ \/ /Victoria Reznichenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net ___/ www.mysql.com - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
DELETE syntax and auto_increment 'reset'
Hey guys, when i delete a row using the query DELETE FROM $table WHERE id = 3 LIMIT 1; how can i make it that the id column (auto_increment) starts over from 1 and build up to however many rows there are without counting 1 2 4 5 6 etc.? any ideas? Jule -- |\/\__/\/| | Jule Slootbeek | | [EMAIL PROTECTED]| | http://blindtheory.cjb.net | | __ | |/\/ \/\| - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
Re: DELETE syntax and auto_increment 'reset'
At 18:29 -0400 5/22/02, Jule wrote: Hey guys, when i delete a row using the query DELETE FROM $table WHERE id = 3 LIMIT 1; how can i make it that the id column (auto_increment) starts over from 1 and build up to however many rows there are without counting 1 2 4 5 6 etc.? If you're asking how to fill in holes created by deleting rows from the middle of the sequence, you can't. Why would you want to? If you're really determined to do this, you can renumber the entire column so that the rows are sequential beginning with one. any ideas? Jule -- |\/\__/\/| | Jule Slootbeek | | [EMAIL PROTECTED] | | http://blindtheory.cjb.net | | __ | |/\/ \/\| - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
delete syntax - forms processing problem
Hi there,
I've been struggling with this the mysql
documentation doesn't seem to be helping much. I'll
try to make this as short as possible...
I have a phone directory that allows a user to search
the database by name the results.php page has two
forms in it. one form allows the user to modify the
entry submit changes to the database - this works
fine. the other form allows the user to delete the
entry (row) from the database - not working.
This is basically my code for the results.php page:
while ($row = mysql_fetch_array($result))
{
$searchterm = $realname;
echo table;
echo form name=modify method=post
action=\save_changes.php\;
echo trtdbfont face=arial
size=2Name/font/b/td;
echo tdinput type=text size=25 name=realname
value=\$row[realname]\/td/tr;
echo trtdbfont face=arial size=2Office
Phone/font/b/td;
echo tdinput type=text size=25 name=phone
value=\$row[phone]\/td/tr/form;
echo form name=remove method=post
action=\remove_entry.php\;
echo tdinput type=submit name=remove
value=\Remove Entry\/td;
echo /form/tr/table;
This is the code for the remove_entry.php page:
$result = mysql_query(DELETE FROM directory WHERE
realname='$realname')) or die (mysql_error());
- I'm not receiving an error, but it is going to the
end showing 'removal successful!' but the row is not
deleted from the database. Can someone tell me where
I'm going wrong?
Thank you in advance!
Andrea
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Re: delete syntax - forms processing problem
Hi Andrea, I have a phone directory that allows a user to search the database by name the results.php page has two forms in it. one form allows the user to modify the entry submit changes to the database - this works fine. the other form allows the user to delete the entry (row) from the database - not working. ... This is the code for the remove_entry.php page: $result = mysql_query(DELETE FROM directory WHERE realname='$realname')) or die (mysql_error()); - I'm not receiving an error, but it is going to the end showing 'removal successful!' but the row is not deleted from the database. Can someone tell me where I'm going wrong? Is the value in $realname debug ECHOed prior to the query call? Is there a check on the number of rows affected by the DELETE, after the call? Why not post the code from the query preparation through to the 'removal succesful' msg - which must be something you've written and is possibly where the/another problem lies? Regards, =dn PS (so the purists don't shoot you down: you do know there's a separate PHP list and a PHP-DB specific list, don't you? - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail [EMAIL PROTECTED] To unsubscribe, e-mail [EMAIL PROTECTED] Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
