- An introduction to noSQL
- The four different types of noSQL database that exist
- The difference between SQL and noSQL and which to choose for your work
Sometimes we may need to make a report that should contain data from our sales cube, for example, and supplement it with missing data that can only be found in the source relational schema or directly from another data source..
There are many ways to link it with our SqlServer database and one of them is to forget or not to have the user's password available to us. It may be because we never use it, because we have our own admin user and we really do not log in with that account. We may have inherited that wonderful database and we do not have any user or domain that is an administrator.
Have you ever wondered how to disable autocommit in the Sql Server Management Studio?
Well the answer is quick. You can change it by activating the check in the menu..
Change in SQLServer the key column of a table to a new one of type integer that is identity using OVERSubmitted by il_masacratore on 21 November, 2016 - 12:58
At some point it may be necessary to change the key column type for our table / s because of a poor design or a subsequent change that forces us to do so.
If we do and the new has to be a column of the integer type, maybe identity, we can do it with some criterion so that it is sorted ..
In Oracle there is a table where all tables in the database (dba_tables) are listed and we can use it to perform maintenance operations dynamically. In Sql Server we can do the same by consulting the table [database].dbo.Sysobjects.
In the example below (as in others I've posted) I update the statistics of all tables in a Sql Server database dynamically by querying the data dictionary. This could be encapsulated in a stored procedure or directly executed in a job of the Agent of Sql Server to keep updated the statistics of all the tables of a database automatically..
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In SQL Server you can use the DBCC SHRINKDATABASE command to reduce the space occupied by the data files and log of a database.
The problem with SHRINKDATABASE is that, contrary to what may seem, if not used carefully, the result can be a significant increase in the fragmentation of the indexes, and tables, which leads to a worsening of performance of our SQL Server, data and even an increased footprint when affected by fragmentation indexes are rebuilt...
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