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So we continue in this post talking about Flashback. In this post, we shall see what’s Flashback of a table is all about. With the Flashback of the table, even if the table is logically corrupted, we can recover the table using the Undo data. To illustrate, let’s create a table and insert some data […]

Flasbhack Table…..

As we have been discussing Flashback technology, in this post, we shall see how it helps in getting a table recovered after being dropped. A very common mistake that happens in the database environments is that someone would drop a table. Now that table drop is not a wrong command. Thus, if the user has […]

Flashback, DBA’s Best Friend….

I just finished teaching a DBA class and surprisingly, few of the participants , despite having experience in the database administration, hadn’t really touched Flashback technology in a great detail. Though it’s not a new topic but I thought, let me write about it to make sure that more DBA’s are aware of this. Biggest […]

Exadata Cloud Service- Creating Database Backups….

In this post, we shall see how we can set up automatic backup for our database created in the Exadata Cloud Service environment. Creating a database backup can be done in two ways in Exadata Cloud Service environment. You can either create a backup on on-demand basis or you can configure automatic backup for your […]

DBA’s Be Quicker, Use Aliases….

I have been using aliases in Linux from a long time. But I was teaching a class today and some students asked me to explain it(it was a basic database administration class for newbies). So it’s more a reference about the aliases. Aliases are short forms of the long commands that one may use in […]