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Oracle and beyond dba interview questions

Name: Oracle and beyond dba interview questions
Rating: 5.0 (1 reviews)

Oracle dba, Golden Gate, MySQL, PostgreSQL, Cassandra, Sql Server, Ansible etc.

Created byAlex Iving

Last updated 3/2026

English

What you'll learn

The important Oracle rdbms concepts for dba
The comprehensive questions and answers in preparation for Oracle technical interview
The tips and suggestions for interview
The comprehensive questions and answers for MySQL, Postgres, Cassandra, SQL dba
AWS for Oracle dba

Course content

17 sections • 66 lectures • 6h 29m total length

Introduction to the course.3:19
Meeting the instructor and learning the course structure.

Oracle System Global Area and physical files.4:54
The students will be able to explain the physical files of Oracle database and all the components of System Global Area.
Oracle Program Global Area and background processes.2:32
The students will be able to explain the instance background processes and the Program Global Area structure.
The difference between UNDO and REDO.6:25
The lesson includes the interview questions for Oracle dba, starting with Fundamentals : difference between UNDO and REDO, difference between SID and service name, the shared pool content.
The mandatory Oracle 12.2 background processes.10:07
The students will learn the mandatory Oracle 12.2 background processes and MGA.
Oracle 12c new features for developers.5:38
the students will learn the role of the Large pool, the startup and shutdown modes in Oracle and new features for developers in Oracle 12.2.
Import SQL profile4:15
In this lecture the students will learn Sql profile import steps, the difference between resetlogs and noresetlogs.
SCN, database incarnation and instance recovery.3:44
The students will learn in the lesson about database incarnation, the SCN and instance recovery.
Checkpoint, password file, ASSM, Index types.3:08
In this lessons the students will find the questions and answers to interview questions about the checkpoint, ASSM, different index types and the role of the password file.
Log switch, dynamic and statis listener, archive log files.4:51
In this lessons the students will learn the importance of log switch and archive log files, the difference between statis and dynamic listener registration, the cardinality and important performance historical views.
Password file, memory target, explain plan.2:32
In the lesson 11 the students will learn the importance of the password file, the role of explain plan, the clustering factor and memory target parameter.
Oracle Performance Tuning.5:32
The this lessons the students will learn Nested Loops and Hash Join, Sql Tuning Advisor, RAT, ADDM, AWR, ASH, hints and different ways to trace the session.
Oracle Enterprise Manager.4:45
This lesson is the final lesson in Oracle Fundamentals and Performance Tuning section. The students will learn the architecture of OEM, how to troubleshoot the performance using OEM, how to set alerts and notification, how to configure backup jobs.
Performance Tuning Cases.3:43
Partitioning, AWR report8:39
The lecture include: types of partitioning, run time statistics in execution plan, AWR report.
Optimizer Hints, Forcing good plan, Global and Local Indexes.8:25
The lecture includes: Global and Local indexes, Optimizer Hints and how to convert very large table into partitioned table.

Necessity of Global resources.5:07
The students will learn the RAC Architecture, the Global resources: GRD, GCS. GES, Remastering.
Different scenarios involving Oracle RAC Global resources.3:11
The students will be able to understand the role of global resources , working with the list of more involved scenarios: reading, updating the block, committing the transaction, writing dirty buffer to disk, checkpoint.
Global Cache Buffer States.8:35
In this lesson we will finish discussion about Global resources and will explain the Global Cache Buffer States.
SCAN, Cache Fusion, Split Brain, OHASD.6:51
In this lesson the students will learn about SCAN, Cache Fusion, OHASD, Split Brain, how to patch RAC and GI, how to fix corrupted OCR.
OCSS, CRS, EVM, ONS.7:14
In this lesson the students will learn RAC specific parameters, voting disk, CRS, OCSS, EVM, ONS, Load Balancing in RAC, Administrator Managed database vs Policy Managed database.
Startup process of Oracle Cluster.7:08
In this lesson the students will go through the Oracle Cluster Startup process and learn all the Cluster process in lower and upper stacks.
Oracle Clusterware Startup Sequence Diagram.1:31
The students will find in this lecture the information about local and remote listener parameters, OLR, TAF and New Oracle 12c features for RAC.
Oracle 12c New Features for RAC6:09
The students will find in this lecture the information about local and remote listener parameters, OLR, TAF and New Oracle 12c features for RAC.
Flex Cluster. Cluster Verify Utility.7:22
In this lesson the students will learn Flex Cluster, recovery scenarios including OLR and voting disk, cluvfy.

Database recovery with lost control file.4:09
This lesson will cover RMAN Architecture, PDB backup and recovery of the database with lost control file.
Recovery database from all datafiles lost.4:28
The students are going to learn how to recover database from full data loss, from loss of non system datafile or tablespace, from block corruption and how to install Recovery Catalog.
Incomplete PDB recovery.3:49
This lesson covers: incomplete PDB recovery and PDB recovery from the lost datafile,.
PITR for previous incarnation and recovery from failed duplication. Also how to change DBID.
Recovery from lost online redo logs.3:26
The students are going to learn the information about snapshot control file, about nofilenamecheck and work on the different recovery scenarios of lost online redo log and full PDB recovery.
RMAN incomplete recovery for PDB discussion.3:33
This lessons covers the PDB incomplete recovery and the reasons for RMAN restore unable to find required backup set.
RMAN Incremental backup.3:24
The lesson will answer the questions about BCT, incremental backup and retention policy.
Open database in resetlog.6:32
The lesson is covering database opening in resetlog, the section size, skipping tablespaces during RMAN duplication.
RMAN Internals.3:37
The students will learn about hot backup mode, CTWR and RMAN Internals.

Data Guard Architecture.3:45
Standby redologs.6:34
This lesson covers the questions and answers with regards to types of DG, Protection modes, Standby redologs and PSU patch in Data Guard.
New Oracle features for DG, FSFO, redo transport services.6:33
The lesson is covering FSFO, DG Broker, Redo transport services, DG background processes and new Oracle 18-21 features for Data Guard.
Switchover.6:17
Switchover, configure DG Broker, FastSync, DG specific Oracle parameters.
Configure Data Guard.4:28
The students will learn how to build Physical Standby database, supported redo transport destinations, Failover when FSFO isn't configured.

How to create PDB. How to convert a database to PDB.6:57
The lesson will teach you Multitenant Architecture, shared resources in CDB world, will explain how to convert non-PDB database to PDB and how to create new PDB.
Common and local users, roles, privileges.7:21
In this lesson the students will learn everything about local and common users, roles and privileges. Also about upgrading PDB and how to connect to PDB.

Integrated Capture, Encryption, Supplemental Logging.4:05
You are going to learn in this lesson Golden Gate Architecture, topologies, major components, supplemental logging and Integrated Capture.
Oracle 12c key features for OGG.4:55
We are going to cover Oracle 12c major features for OGG, Credential Store, Pump, Coordinated mode and will talk about how to upgrade Classic Extract to Integrated.
Automatic Conflict Detection and Resolution.7:43
The students will learn the concept of Automatic CDR ( the invisible timestamp, tombstone, Delta CDR method.
Extract and Replicat performance.10:42
You will find in this lessons: Log Dump commands, importance of stream pool size, performance of extract and replicat ( how to troubleshoot).
OGG Initial Load6:06
The students are going to learn about DEFGEN, Format Release, High Availability for OGG and Initial Load.
Microservices Architecture and Configuration ( step by step).6:27
You will learn in this lesson everything about Microservices Architecture and Configuration ( step by step).
DBFS and Downstream Deployment.5:30
this lesson is dedicated to DBFS, Downstream deployment, User Exit and Event Marker System.

Requirements

The basic understanding of Oracle

Description

This course contains the use of artificial intelligence.. It is recorded using AI feature - Amazon AWS Polly service text-to-speech with Long-Form engine.

The course "Oracle and beyond dba interview questions" will help you to prepare for the technical interview for database administrator position in Oracle ( on-premises and cloud) as well as in MySQL, PostgreSQL, SQL Server and Apache Cassandra. The course includes almost 800 questions and answers covering Oracle Fundamentals, Performance Analysis and Tuning, Real Application Cluster ( RAC), Data Guard, Automatic Storage Management (ASM), Golden Gate Classical and Microservices, Multitenant, Recovery Manager (RMAN), Patching, Upgrade, Exadata, Ansible, Amazon Relational Database Service (RDS), Amazon Web Services (AWS) , MySQL, PostgreSQL, SQL Server, Apache Cassandra.

The course instructor Alex Iving has over 24 years of experience with Oracle and over 5 years of experience with Golden Gate, MySQL, PostgreSQL, Apache Cassandra, Ansible, Exadata. Some of the interview questions are from real technical interviews with the companies: Bank Of America, FedEx, Icon, Peraton, Duke Energy, People Fluent, LabCorp, Infosys, Genworth Financial, Verizon, GSK, MetLife, North Carolina DIT, Fidelity, Accenture, Honeywell and many more.

The course is recorded using AI feature - Amazon AWS Polly service text-to-speech with Long-Form engine.

Please provide your feedback and suggest any additional topics. The additional questions and even sections can be added as nowadays for successful interview you need to demonstrate not only Oracle dba knowledge and experience but also experience in other DBMS systems, in programming, automation, EBS, Clouds and AI.

I am very excited to be your instructor for the course and I am absolutely positive that you will succeed with the interview preparation and get an offer in very good company. We are going to discuss Performance Tuning cases as well as there is almost 100% chance that you will be asked during the interview about your tuning experience.

Now, you might ask the ask the question why to choose my course? The answer is for many reasons. You will find in my course all major concepts of Oracle architecture, RAC, Data Guard, Golden Gate, RMAN, Performance covered in great details. You will find the major concepts of MySQL, PostgreSQL, SQL Server, Apache Cassandra, Exadata, Ansible explained in details.

You will find in my course the tricky questions, asked in real technical interviews, like the following.

The opatch apply process failed as one of the Oracle libraries wasn't released. Which library file(s) it could be and how to locate and kill the zombie processes?

The user is complaining that the connection string to the service isn't working. After checking the connection, you can confirm that you can't connect as well. What could be the reason and what are your actions?

The nightly RMAN offline backup failed. Your first action in the morning?

The database is in the mount mode. You copy all the relevant files: data files, control files, spfiles, online redolog files, archive logs, password file, tnsnames.ora file, sqlnet.ora, ldap.ora etc. to another server. Can you start the database in the new server?

So, if you want to go through the major concepts and tough interview questions, be ready for recovery scenarios, for performance tuning questions sign for my course right now. We will have a lot of fun together.

Who this course is for:

Beginner to Senior Oracle dba

Oracle and beyond dba interview questions

What you'll learn

Explore related topics

Course content

Introduction1 lecture • 3min

Oracle Fundamental and Performance Tuning15 lectures • 1hr 19min

Real Application Cluster.9 lectures • 53min

RMAN8 lectures • 33min

Data Guard5 lectures • 28min

Oracle Multitenant.2 lectures • 14min

Golden Gate7 lectures • 45min

ASM2 lectures • 12min

Patching and upgrade.2 lectures • 12min

Exadata1 lecture • 4min

Requirements

Description

Who this course is for: