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Published on 2010-04-07T01:12:43Z
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2010/04/07
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There is no limitation on the depth.
How to get the structed branch or even entire tree?
The definition is from here:
http://dev.mysql.com/tech-resources/articles/hierarchical-data.html
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as seen on Ask Ubuntu
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I tried everything till now:
sudo apt-get remove mysql-server mysql-client mysql-common
sudo apt-get purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
and even more commands...
But whenever I am trying to locate mysql. I get a no. of files related to mysql
command:
shell>>…
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Mysql was started:
/usr/bin/mysqld_safe --datadir=/srv/mysql/myDB --log-error=/srv/mysql/logs/mysqld-myDB.log --pid-file=/srv/mysql/pids/mysqld-myDB.pid --user=mysql --socket=/srv/mysql/sockets/mysql-myDB.sock --port=3700
but when I'm trying to do something:
ERROR 1548 (HY000) at line 1: Cannot…
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A client of my IT-consulting service owns a web-development shop. He's been having problems with a Slackware 12.0 server running MySQL 5.0.67. The machine was set up by the client's sysadmin, who left on bad terms. My client no longer employs a sysadmin.
As far as I can tell, the only copy of MySQL…
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Can't start mysql with:
sudo /usr/bin/mysqld_safe --datadir=/srv/mysql/myDB --log-error=/srv/mysql/logs/mysqld-myDB.log --pid-file=/srv/mysql/pids/mysqld-myDB.pid --user=mysql --socket=/srv/mysql/sockets/mysql-myDB.sock --port=3700
120222 13:40:48 mysqld_safe Starting mysqld daemon with databases…
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as seen on SQL Authority
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MySQL is one of the most popular database language and I have been recently working with it a lot. Data have no barrier and every database have their own place. I have been working with MySQL for quite a while and just like SQL Server, I often find lots of people asking me if I have a tutorial which…
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I read this article.
http://dev.mysql.com/tech-resources/articles/hierarchical-data.html
At the end of this article, it writes about PHP libraries for handling nested sets in MySQL.
Does anyone know which PHP libraries he is talking about?
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In this sequel to his first "Hierarchies on Steroids" article, SQL Server MVP Jeff Moden shows us how to build a pre-aggregated table that will answer most of the questions that you could ask of a typical hierarchy. Any bets on whether Santa is packin’ a Tally Table in his bag or not?
…
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SQL Server MVP Jeff Moden shows us a new very high performance method to convert an "Adjacency List" to “Nested Sets” on a million node hierarchy in less than a minute and 100,000 nodes in just seconds. Not surprisingly, the "steroids" come in a bottle labeled "Tally Table"…
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What is the best way to add a sense of order in Doctrine Nested Sets?
The documention contains several examples of how to get al the childeren of a specific node
$category->getNode()->getSiblings()
But how can I for example:
change the position of the fourth sibling to the second position
get…
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Hello,
although I read through the manual here:
http://www.doctrine-project.org/documentation/manual/1_2/hu/hierarchical-data
I couldn't find a way to move a node from a Leaf to become a Root node. Any clues?
The question is trivial for inserting a new node...but what about updating a node?
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