Many times we will need to quickly find out what queries are running in an instance of SQL Server. In this article we will see a query that I have written that can directly extract all the information we need. The query retrieves… read more
How to restore a table to a point in time in Oracle Database with RMAN
In this article we will see how in Oracle Database we can restore a table at a specific time. The data to carry out the process comes from RMAN backups and during the process they are temporarily restored automatically to... read more
How do we automate the database backup process in SQL Server without using a maintenance plan
In this article we will see the easiest and most efficient way to backup all instance databases. We will do this using the DatabaseBackup procedure created by Ola Hallengren. Of course… read more
What is Change Data Capture (CDC) and how is it enabled in SQL Server
Change Data Capture known as CDC records that DML (insert, update, delete) action is performed on a table of a database. These changes are recorded in a corresponding table that is created. Through systemic functions we can... read more
How to replicate tables from Oracle Database to SQL Server using GoldenGate
In this article we will see how we can copy table records from Oracle Database that is on Unix to SQL Server that is on Windows using Oracle GoldenGate. What is GoldenGate Oracle GoldenGate… read more
How we enable Oracle Data Guard with automatic failover for High Availability
In a previous article we saw how we activate Oracle Data Guard in physical standby. Now we will take the installation one step further with a modern commit that will allow us to enable automatic failover from primary to standby... read more
How do we find the longest running queries in an Oracle database
In Oracle databases we have the ability to find statistical data for queries using the ASH and AWR reports. But to activate this feature we must have Enterprise version. At Standard we can do… read more
How can we connect SQL Server to Oracle Database using Linked Server
SQL Server enables us to be able to connect and execute queries on remote Database Instances that do not have to be in the same RDBMS. In this article we will see specifically how it is done by instance... read more
How do I connect to SQL Server when I can't connect any other way (DAC, lost password, missing sysadmin)
Sometimes we will not be able to connect to the SQL Server Instance even as a sysadmin user, either because of a problem with the instance, or because we have forgotten the password of the sysadmin user or we do not have/know... read more
