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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 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…

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…

In many cases, especially in ETL processes or data loading to a data warehouse, for example, we would rather use a single sentence or the…

We could need to access to MySQL from SQL Server. An easy way to do it is creating a linked server that uses an ODBC connection..

Pentaho was created in 2004 and at this moment, it is the leader of the Open Source BI solutions. It offers a large spectrum of resources…

In MySQL there is a parameter that enables logging of queries that take more than x seconds to execute calls Slow Queries. Basically what…

I tried to create a connection in SQL Developer with a remote SQL Server database.

Data warehouse security is vital for organizations that take the huge step of collating all their important data in one place. Unauthorized…