03-25-2014
thanks for help, i backed up mysql and run the command.
It miraculously show topics in right section now
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Hi all,
I was wondering if anyone knew a good/safe way to update a single column in a table that could contain upto 8 million rows...
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Hello.
I'm not sure how I can get around this, or what I am doing wrong, but I need some help. :)
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I feel stupid for asking this because it seems that MYSQL code isn't working the way that I think it should work.
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+-------------+
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Dear community,
I have to split string in table and list all values. I'll skip the code and jump directly to mysql query.
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category title
======= =======
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Right I have a MYSQL database with table1 with 3 columns, colA, colB and colC. I want to combine the data in the 3 columns into a 4th column names col_comb. Here's the SQL command that works:
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LEARN ABOUT OPENSOLARIS
mysql_zap
zap(1) MySQL database zap(1)
NAME
zap - a perl script used to kill processes
USAGE
/usr/bin/mysql_zap [-signal] [-?Ift] pattern
SYNOPSIS
zap [-I|-?] [-f] [-t]
DESCRIPTION
zap supports by executing
-I|-? info
-f force
-t test
NOTE
If -f isn't given, ask user for confirmation for each process to kill. If signal isn't given, try first with signal 15 and after that with
signal 9. If -t is given the processes is only shown on stdout.
SEE ALSO
isamchk(1), isamlog(1), mysql(1), mysqlaccess(1), mysqladmin(1), mysqld(1), mysqld_multi(1), mysqld_safe(1), mysqldump(1), mysql_fix_privi-
lege_tables(1), mysqlshow(1), perror(1), replace(1)
For more information please refer to the MySQL reference manual, which may already be installed locally and which is also available online
at http://www.mysql.com/doc/en/
BUGS
Please refer to http://bugs.mysql.com/ to report bugs.
AUTHOR
Ver 1.0, distribution 4.0.24 Michael (Monty) Widenius (monty@mysql.com), MySQL AB (http://www.mysql.com/). This software comes with no war-
ranty. Manual page by L. (Kill-9) Pedersen (kill-9@kill-9.dk), Mercurmedia Data Model Architect / system developer (http://www.mercurme-
dia.com)
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+--------------------+------------------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+------------------------------------+
|Availability | SUNWmysqlr, SUNWmysqlu, SUNWmysqlt |
+--------------------+------------------------------------+
|Interface Stability | External |
+--------------------+------------------------------------+
NOTES
Source for mysql is available on http://opensolaris.org.
MySQL 4.0 19 December 2000 zap(1)