What's Inside Oracle Data Block?

As we know that #Oracle allocates logical #database space for all #data in a database. Data blocks are also called as logical or oracle blocks or pages.
And, oracle stores the data in data blocks to a specific number of #bytes of physical database space on #disk. Oracle data blocks are Logical storage space where Oracle Database stores data in data blocks at smallest unit.

00:00     What is the Data Block?
00:18     Data block default size
03:00     Internal format of the Block
03:08     Data Block Header
03:50     Table Directory
04:07     Row Directory
04:34     Free Space
04:46     Row Data
04:53     Data Block != OS Block
05:16     Row Format
06:17     Row Header
07:29     Column Data
08:14     How Row are inserted in the Data Block?
13:47     Inside Data Block
14:04     Varchar2 Datatype
19:18     Data Block Space Management

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