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	<title>yorch @ web [in] &#187; SQL</title>
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		<title>Enable or Disable Check Constraints on SQL Server</title>
		<link>http://yorch.org/2010/11/enable-or-disable-check-constraints-on-sql-server/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=enable-or-disable-check-constraints-on-sql-server</link>
		<comments>http://yorch.org/2010/11/enable-or-disable-check-constraints-on-sql-server/#comments</comments>
		<pubDate>Mon, 22 Nov 2010 21:07:21 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[Constraints]]></category>
		<category><![CDATA[Foreign Keys]]></category>
		<category><![CDATA[SQL Server]]></category>
		<category><![CDATA[SQL Server 2005]]></category>
		<category><![CDATA[SQL Server 2008]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=796</guid>
		<description><![CDATA[I found a very handy SQL script on this post, that allows you to enable or disable all constraints on a database. The only problem I had was that my database uses schemas to organize the tables, so the script failed to work. I made a modification on the script to solve the problem, so [...]]]></description>
		<wfw:commentRss>http://yorch.org/2010/11/enable-or-disable-check-constraints-on-sql-server/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Count the total number of records on a MySQL database or per table</title>
		<link>http://yorch.org/2010/11/count-the-total-number-of-records-on-a-mysql-database-or-per-table/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=count-the-total-number-of-records-on-a-mysql-database-or-per-table</link>
		<comments>http://yorch.org/2010/11/count-the-total-number-of-records-on-a-mysql-database-or-per-table/#comments</comments>
		<pubDate>Fri, 12 Nov 2010 00:43:49 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[MySQL]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=792</guid>
		<description><![CDATA[To count the total number of records on a MySQL database, we could run the following command: SELECT SUM&#40;TABLE_ROWS&#41; FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '{tablename}'; If we need to know the number of records per each table, we can run: SELECT TABLE_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '{tablename}'; Source: Stack Overflow]]></description>
		<wfw:commentRss>http://yorch.org/2010/11/count-the-total-number-of-records-on-a-mysql-database-or-per-table/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Duplicate a MySQL database on a single line</title>
		<link>http://yorch.org/2010/11/duplicate-a-mysql-database-on-a-single-line/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=duplicate-a-mysql-database-on-a-single-line</link>
		<comments>http://yorch.org/2010/11/duplicate-a-mysql-database-on-a-single-line/#comments</comments>
		<pubDate>Fri, 12 Nov 2010 00:13:21 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[MySQL]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=780</guid>
		<description><![CDATA[On this article, it is shown a very convenient way to duplicate a complete MySQL database using a single line of code: $ mysqladmin create &#123;dest_db_name&#125; -u &#123;username&#125; --password=&#123;password&#125; &#38;&#38; \ mysqldump -u &#123;username&#125; --password=&#123;password&#125; &#123;source_db_name&#125; &#124; \ mysql -u &#123;username&#125; --password=&#123;password&#125; &#123;dest_db_name&#125; Where: {dest_db_name}: Name of the destination database. {source_db_name}: Name of the database [...]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Determinar la versión exacta del SQL Server</title>
		<link>http://yorch.org/2010/01/determinar-la-version-exacta-del-sql-server/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=determinar-la-version-exacta-del-sql-server</link>
		<comments>http://yorch.org/2010/01/determinar-la-version-exacta-del-sql-server/#comments</comments>
		<pubDate>Fri, 15 Jan 2010 15:03:48 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[SQL Server]]></category>
		<category><![CDATA[SQL Server 2000]]></category>
		<category><![CDATA[SQL Server 2005]]></category>
		<category><![CDATA[SQL Server 2008]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=542</guid>
		<description><![CDATA[Para determinar cuál es la versión exacta de un servidor SQL Server (ya sea 2000, 2005 ó 2008), basta con ejecutar la siguiente consulta: SELECT SERVERPROPERTY&#40;'productversion'&#41;, SERVERPROPERTY&#40;'productlevel'&#41;, SERVERPROPERTY&#40;'edition'&#41; En mi caso, la consulta me devuelve algo como esto: 9.00.3080.00 SP2 Developer Edition Para versiones anteriores de SQL Server, podemos utilizar esta otra consulta: SELECT @@VERSION [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Quitar una cadena de texto de muchos registros usando SQL</title>
		<link>http://yorch.org/2009/12/quitar-una-cadena-de-texto-de-muchos-registros-usando-sql/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=quitar-una-cadena-de-texto-de-muchos-registros-usando-sql</link>
		<comments>http://yorch.org/2009/12/quitar-una-cadena-de-texto-de-muchos-registros-usando-sql/#comments</comments>
		<pubDate>Wed, 30 Dec 2009 00:41:37 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[REPLACE]]></category>
		<category><![CDATA[SQL Server]]></category>
		<category><![CDATA[UPDATE]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=530</guid>
		<description><![CDATA[En una aplicación en la que estoy trabajando, surgió la necesidad de actualizar muchos registros de la base de datos, específicamente, lo que necesitaba era quitar un texto común dentro de un mismo campo para muchos registros. Para ser más explícito, tenía algo como esto dentro de una tabla en la base de datos: id [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Cambiar la contraseña de un usuario en MySQL</title>
		<link>http://yorch.org/2009/07/cambiar-la-contrasena-de-un-usuario-en-mysql/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=cambiar-la-contrasena-de-un-usuario-en-mysql</link>
		<comments>http://yorch.org/2009/07/cambiar-la-contrasena-de-un-usuario-en-mysql/#comments</comments>
		<pubDate>Wed, 29 Jul 2009 17:44:18 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[Ubuntu]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=446</guid>
		<description><![CDATA[Hay varios métodos para cambiar la contraseña de un usuario en MySQL, pero este es el que me parece más seguro ya que no deja rastro de la contraseña antigua ni nueva en el historial de comandos (por lo menos en bash). Primero, nos logueamos al shell de MySQL con el usuario principal: $ mysql [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>tinyint en MySQl y SQL Server</title>
		<link>http://yorch.org/2009/06/tinyint-en-mysql-y-sql-server/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=tinyint-en-mysql-y-sql-server</link>
		<comments>http://yorch.org/2009/06/tinyint-en-mysql-y-sql-server/#comments</comments>
		<pubDate>Mon, 15 Jun 2009 22:50:29 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[Byte]]></category>
		<category><![CDATA[Integer]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[SQL Server]]></category>
		<category><![CDATA[Tinyint]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=378</guid>
		<description><![CDATA[El tipo de dato tinyint tiene una pequeña diferencia entre ambos motores de BD. Lo común es que siempre ocupa un (1) byte (28 valores posibles, osea, 256). Lo que difiere es que en MySQL se puede marcar como signed o unsigned, lo que hace que pueda o no tomar valores negativos. Cuando es signed, [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>SQL Server&#8217;s nvarchar(max) on Castle ActiveRecord</title>
		<link>http://yorch.org/2009/05/sql-servers-nvarcharmax-on-castle-activerecord/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=sql-servers-nvarcharmax-on-castle-activerecord</link>
		<comments>http://yorch.org/2009/05/sql-servers-nvarcharmax-on-castle-activerecord/#comments</comments>
		<pubDate>Wed, 06 May 2009 16:12:54 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[Programming]]></category>
		<category><![CDATA[SQL]]></category>
		<category><![CDATA[.Net]]></category>
		<category><![CDATA[ActiveRecord]]></category>
		<category><![CDATA[Castle]]></category>
		<category><![CDATA[Hibernate]]></category>
		<category><![CDATA[NHibernate]]></category>
		<category><![CDATA[nvarchar]]></category>
		<category><![CDATA[nvarchar(max)]]></category>
		<category><![CDATA[SQL Server]]></category>

		<guid isPermaLink="false">http://yorch.org/?p=352</guid>
		<description><![CDATA[I&#8217;m using the new SQL Server 2005&#8242;s data type nvarchar(max) on a .Net project (ntext has been deprecated in this version) in conjuction with Castle ActiveRecord. For a complete integration (including schema creation), ActiveRecord property should looks like this: &#91;Property&#40;&#34;description&#34;, ColumnType = &#34;StringClob&#34;, SqlType = &#34;nvarchar(MAX)&#34;&#41;&#93; ColumnType = &#8220;StringClob&#8221; avoids text to be truncated if it [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Borrar los transaction logs de SQL Server</title>
		<link>http://yorch.org/2009/03/borrar-los-transaction-logs-de-sql-server/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=borrar-los-transaction-logs-de-sql-server</link>
		<comments>http://yorch.org/2009/03/borrar-los-transaction-logs-de-sql-server/#comments</comments>
		<pubDate>Mon, 02 Mar 2009 14:29:53 +0000</pubDate>
		<dc:creator>yorch</dc:creator>
				<category><![CDATA[SQL]]></category>
		<category><![CDATA[SQL Server]]></category>
		<category><![CDATA[Transaction log]]></category>

		<guid isPermaLink="false">http://yorch.org/2009/03/borrar-los-transaction-logs-de-sql-server/</guid>
		<description><![CDATA[El registro de transacciones (transaction log) almacena todas las consultas que se ejecutan en una base de datos, por lo que incluso suele ser más grande que esta. Si por algún motivo queremos limpiar este registro en SQL Server 2005 (lo cual solo debería ocurrir en muy contadas situaciones, como al trabajar con una base [...]]]></description>
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		<slash:comments>4</slash:comments>
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