What are the interview questions for Oracle DBA?
Table of Contents
What are the interview questions for Oracle DBA?
Basic Oracle DBA Interview Questions for Freshers
- Mention Oracle DBA Characteristics.
- What is Oracle?
- What is an Oracle Database?
- What is an Oracle index?
- Why is the index used?
- Who is responsible to update the indexes?
- What are the various databases available in the market?
What is Oracle Apps DBA responsibilities?
They install, configure, upgrade Oracle Server software. Start, stop and monitor applications. Ensure Data backup, recovery policies, procedures. Implement Database Security and maintain it. Perform Database and application tuning along with Performance monitoring.
How can I be a good DBA in Oracle?
Are there steps I can follow to become an Oracle DBA?
- Step 1 Do some research about the role.
- Step 2 Study the basics of database administration.
- Step 3 Take training courses.
- Step 4 Learn about related technologies.
- Step 5 Look for database developer positions.
- Step 6 Take advanced training.
- Step 7 Get certified.
What is Linux DBA?
Oracle Database Administrator’s Reference for Linux and UNIX-Based Operating Systems.
What is difference between Oracle DBA and Oracle Apps DBA?
The job duties of an Oracle Apps DBA include managing the application server software and managing the application layer, while the duties of a regular Oracle DBA include managing the database layer.
Why Linux is used by DBA?
Because Linux is open-source, all of the low-level communications between the software and the hardware are exposed and the Oracle DBA can see virtually every aspect of Oracle’s behavior as it interfaces with hubs, routers, RAM and disks.
What is restore point in Oracle?
A restore point is a name assigned to a system change number (SCN) in Oracle. An SCN is a number that uniquely identifies each new change to an Oracle database; this number is incremented whenever users commit a new transaction to the database.
What is Datafile header?
The data file header contains metadata about a data file: Size of the data file. Last checkpoint SCN (see also data file checkpoint). Absolute file number that uniquely identifies the data file in the database. Relative file number that uniquely identifies the data file in the tablespace that it belongs to.
Who is an app DBA?
An application DBA is a database administrator who uses specialized software to store and organize data. As an application DBA, your job duties include installing and maintaining applications, improving system performance, and troubleshooting issues.
