Oracle Database Administration from Zero to Hero - Introducing Database Tablespaces and Data Files

This lecture introduces Oracle Database's tablespaces and data files, explaining their roles and organization. It covers the database's structure, including memory areas and system files, and delves into the storage hierarchy from segments to disk blocks. The lecture also distinguishes between logical and physical storage components and highlights the importance of System and Sysaux tablespaces for database operations.

What is a tablespace in an Oracle database?

• A type of database user

• A single data file

• A group of one or more data files

• A memory area in the database

Which of the following is NOT a component of the data storage hierarchy in Oracle databases?

• Segments

• Extents

• Data blocks

• Memory blocks

What is the smallest logical unit where rows are saved in an Oracle database?

• Disk block

• Data block

• Extent

• Segment

Who is responsible for setting the structure and sizes of disk blocks?

• Database administrator

• The operating system

• Oracle Database

• End user

What are the two mandatory tablespaces in an Oracle database?

• Log and Archive

• System and Sysaux

• User and Temp

• Data and Index

What is the role of the System tablespace in an Oracle database?

• Storing temporary data

• Storing the data dictionary

• Storing backup files

• Storing user data

Which tablespace is used for storing data needed by additional database components?

• User

• Temp

• Sysaux

• Redo