Today I will talk about of one the interesting features on oracle 12c, which is recovery a table with RMAN.
There are could be many reasons to restore a table, for example a data load failure, a huge insert data in wrong way, these types of restore could be dangerous.
On the other way you can create a second database Continue reading
Today I will show, how to clone a PDB from an existing PDB, this a very simple way to do this.
To clone a PDB it is very similar to creating a PDB from a seed database. Continue reading
Today I will talk a little about a new feature on Oracle Database 12c, there are invisible columns. For use this feature there are some restrictions in some types of tables like:
Invisible columns are not supported in external tables, cluster tables, or temporary tables.
Also there are some kinds of operation that will not see a column set to invisible:
A statement with wildcard character, such as select * from mytables.
The SQL*Plus DESC command (Below I will tell how to see invisible columns with DESC command)
A PL/SQL %rowtype declaration
An insert into select * statement
Invisible columns can be made invisible when using the Continue reading
How many times, you would like to converted a view into a table during an export or import process.
Well, now on Oracle 12c this is can be possible with the views_as_tables parameter, with this parameter allows you to convert a view into a table during either an export to a dump file or a import from a dump file.
During the process of export dump file, the views listed into the parameter views_as_tables are converted during the process. Continue reading
Today I will show, how to prepare the Solaris 11.2 for install Oracle Database 12c (22.214.171.124).
I am still familiarizing with Solaris systems, to me it has been a good experience.
I am discovering very good features about Solaris systems. This is a simple post, with few steps you can be prepare.
To complete the steps you will need the following prerequisites Continue reading
Oracle Data Redaction is new a feature that provides the security of data from application end users
modifying sensitive data contained in SQL query results before the results returned the applications.
The Oracle Data Redaction is completely different from Oracle Data Masking. Continue reading