In SQL Server we have the ability to store files such as Docx, Xlsx, XML, JSON, JPG, PNG etc. in a field of a database table. In this article we will analyze how this is done and how it is done... read more
What are Columnstore Indexes and when do we use them in SQL Server
In this article we will analyze the difference between a table that is physically stored via a Clustered Rowstore Index and one that is stored via a Clustered Columnstore Index. What exactly are Columnstore Indexes, when should they be used and what are… read more
How can we get an email whenever an error occurs in the Oracle database Alert log
In a system based on an Oracle database, that an error occurs is recorded in a log file called the Alert Log. It is very useful to be informed immediately when something happens and the most immediate way is no other… read more
How we enable auditing in Oracle Database
In this article we will see the steps and options we have to enable auditing in an Oracle Database. Through auditing we can record who and how makes access or changes to... read more
How to properly install SQL Server
In this article we will analyze how a new SQL Server installation should be done step by step. In particular we will see the setup for SQL Server 2019. We will also see what we need to have done before starting the installation and... read more
What is Dynamic Data Masking and how do we enable it in SQL Server
In this article we will analyze what Dynamic Data Masking is and what options we have for using it in SQL Server. Dynamic Data Masking is a function whose purpose is to hide the sensitive… read more
How to improve the performance of a query running on an Oracle database (SQL Tuning Advisor)
Many times we will hear that suddenly a query that was running fast suddenly started to run slow or that a query is running very slowly for no reason. The easiest way to find out what is wrong and solve it is with… read more
How do we find what queries are running in an Oracle database?
Many times the need will arise to quickly look for a session that executes a query. We might want to see the plan it ran with, the memory it consumes, the sql text, the session id, if… read more
How we create a SQL Managed Instance in Azure
One of the possibilities we have in the Azure Cloud is to provide us with an entire Instance of SQL Server without having access to a Virtual Machine. You call this service Azure SQL Managed Instance. What are the advantages of… read more
