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A very powerful way to do a table's update in a SQL Server database is to link it with another table with a join, and updating the fields…

Don't you have a chop with useful queries to use in your daily adventures and desventures with the database? I include in this first post a…

The operator to concatenate in SQL Server is '+', but this operator is also used to add values. Being the same operator for both, the…

A simple way to export data from a query, table, etc.. of an oracle database to a flat file is to use the SPOOL command in SQLPlus. This…

I just finished an installation of SQL Server 2008 Express and SQL Server 2008 Management Studio Express, and I had a few laps for a couple…

With SQL Server, when we forget or we lose the password of the DBA user 'sa', and we are the administrators of the database, we have a…

MySQL has some special features when making a connection from a remote client that if we do not know can complicate access to a MySQL…

In a Data Warehouse there are a number of common dimensions such as Geographic and Time. I leave here a script to create the Time…

Have you ever wondered how to disable the autocommit option in Sql Server Management Studio? The answer is quick. Simply uncheck the option…

Db2look is an utility to extract the definition of database objects.