Prepare Interview

Mock Exams

Make Homepage

Bookmark this page

Subscribe Email Address
Withoutbook LIVE Mock Interviews

Freshers / Beginner level questions & answers

Ques 1. What are the components of physical database structure of Oracle database?

Oracle database is comprised of three types of files. One or more datafiles, two are more redo log files, and one or more control files.

Is it helpful? Add Comment View Comments
 

Ques 2. What are the components of logical database structure of Oracle database?

There are tablespaces and database's schema objects.

Is it helpful? Add Comment View Comments
 

Ques 3. What is a tablespace?

A database is divided into Logical Storage Unit called tablespaces. A tablespace is used to grouped related logical structures together.

Is it helpful? Add Comment View Comments
 

Ques 4. What is SYSTEM tablespace and when is it created?

Every Oracle database contains a tablespace named SYSTEM, which is automatically created when the database is created. The SYSTEM tablespace always contains the data dictionary tables for the entire database.

Is it helpful? Add Comment View Comments
 

Ques 5. Explain the relationship among database, tablespace and data file?

Each databases logically divided into one or more tablespaces one or more data files are explicitly created for each tablespace.

Is it helpful? Add Comment View Comments
 

Ques 6. What is schema?

A schema is collection of database objects of a user.

Is it helpful? Add Comment View Comments
 

Ques 7. What are Schema Objects?

Schema objects are the logical structures that directly refer to the database's data. Schema objects include tables, views, sequences, synonyms, indexes, clusters, database triggers, procedures, functions packages and database links.

Is it helpful? Add Comment View Comments
 

Ques 8. Can objects of the same schema reside in different tablespaces?

Yes

Is it helpful? Add Comment View Comments
 

Ques 9. Can a tablespace hold objects from different schemes?

Yes

Is it helpful? Add Comment View Comments
 

Ques 10. What is Oracle table?

A table is the basic unit of data storage in an Oracle database. The tables of a database hold all of the user accessible data. Table data is stored in rows and columns.

Is it helpful? Add Comment View Comments
 

Ques 11. What is an Oracle view?

A view is a virtual table. Every view has a query attached to it. (The query is a SELECT statement that identifies the columns and rows of the table(s) the view uses.)

Is it helpful? Add Comment View Comments
 

Ques 12. What is Partial Backup?

A Partial Backup is any operating system backup short of a full backup, taken while the database is open or shut down.

Is it helpful? Add Comment View Comments
 

Ques 13. What is Full Backup?

A full backup is an operating system backup of all data files, on-line redo log files and control file that constitute ORACLE database and the parameter.

Is it helpful? Add Comment View Comments
 

Ques 14. Can a View based on another View?

Yes

Is it helpful? Add Comment View Comments
 

Ques 15. Can a Tablespace hold objects from different Schemes?

Yes

Is it helpful? Add Comment View Comments
 

Ques 16. Can objects of the same Schema reside in different tablespace?

Yes

Is it helpful? Add Comment View Comments
 

Ques 17. Do View contain Data?

Views do not contain or store data.

Is it helpful? Add Comment View Comments
 

Ques 18. What are the Referential actions supported by FOREIGN KEY integrity constraint?

UPDATE and DELETE Restrict - A referential integrity rule that disallows the update or deletion of referenced data. DELETE Cascade - When a referenced row is deleted all associated dependent rows are deleted.

Is it helpful? Add Comment View Comments
 

Ques 19. What are the type of Synonyms?

There are two types of Synonyms Private and Public.

Is it helpful? Add Comment View Comments
 

Ques 20. What is an Index Segment?

Each Index has an Index segment that stores all of its data.

Is it helpful? Add Comment View Comments
 

Ques 21. What are the different type of Segments?

Data Segment, Index Segment, Rollback Segment and Temporary Segment.

Is it helpful? Add Comment View Comments
 

Ques 22. What are Clusters?

Clusters are groups of one or more tables physically stores together to share common columns and are often used together.

Is it helpful? Add Comment View Comments
 

Ques 23. What is an Integrity Constrains?

An integrity constraint is a declarative way to define a business rule for a column of a table.

Is it helpful? Add Comment View Comments
 

Ques 24. What is an Index?

An Index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.

Is it helpful? Add Comment View Comments
 

Ques 25. What is an Extent?

An Extent is a specific number of contiguous data blocks, obtained in a single allocation, and used to store a specific type of information.

Is it helpful? Add Comment View Comments
 

Ques 26. What is a View?

A view is a virtual table. Every view has a Query attached to it. (The Query is a SELECT statement that identifies the columns and rows of the table(s) the view uses.)

Is it helpful? Add Comment View Comments
 

Ques 27. What is Table?

A table is the basic unit of data storage in an ORACLE database. The tables of a database hold all of the user accessible data. Table data is stored in rows and columns.

Is it helpful? Add Comment View Comments
 

Ques 28. What are the advantages of views?

- Provide an additional level of table security, by restricting access to a predetermined set of rows and columns of a table.
- Hide data complexity.
- Simplify commands for the user.
- Present the data in a different perspective from that of the base table.
- Store complex queries.

Is it helpful? Add Comment View Comments
 

Intermediate / 1 to 5 years experienced level questions & answers

Ques 29. What is the use of Control File?

When an instance of an ORACLE database is started, its control file is used to identify the database and redo log files that must be opened for database operation to proceed. It is also used in database recovery.

Is it helpful? Add Comment View Comments
 

Ques 30. What is an Oracle sequence?

A sequence generates a serial list of unique numbers for numerical columns of a database's tables.

Is it helpful? Add Comment View Comments
 

Ques 31. What are synonyms used for?

- Mask the real name and owner of an object.
- Provide public access to an object
- Provide location transparency for tables, views or program units of a remote database.
- Simplify the SQL statements for database users.

Is it helpful? Add Comment View Comments
 

Experienced / Expert level questions & answers

Ques 32. What is Mirrored on-line Redo Log?

A mirrored on-line redo log consists of copies of on-line redo log files physically located on separate disks, changes made to one member of the group are made to all members.

Is it helpful? Add Comment View Comments
 

Ques 33. What is a Redo Log?

The set of Redo Log files YSDATE,UID,USER or USERENV SQL functions, or the pseudo columns LEVEL or ROWNUM.

Is it helpful? Add Comment View Comments
 

Ques 34. What does a Control file Contain?

A Control file records the physical structure of the database. It contains the following information.
Database Name
Names and locations of a database's files and redolog files.
Time stamp of database creation.

Is it helpful? Add Comment View Comments
 

Most helpful rated by users:

Related differences

OracleJDK vs OpenJDK

Related interview subjects

Oracle interview questions and answers - Total 34 questions
MongoDB interview questions and answers - Total 27 questions
Entity Framework interview questions and answers - Total 46 questions
AWS DynamoDB interview questions and answers - Total 46 questions
MySQL interview questions and answers - Total 108 questions
Data Modeling interview questions and answers - Total 30 questions
Redis Cache interview questions and answers - Total 20 questions
DBMS interview questions and answers - Total 73 questions
MariaDB interview questions and answers - Total 40 questions
Apache Hive interview questions and answers - Total 30 questions
SSIS interview questions and answers - Total 30 questions
PostgreSQL interview questions and answers - Total 30 questions
SQL Query interview questions and answers - Total 70 questions
Teradata interview questions and answers - Total 20 questions
SQLite interview questions and answers - Total 53 questions
Cassandra interview questions and answers - Total 25 questions
Neo4j interview questions and answers - Total 44 questions
MSSQL interview questions and answers - Total 50 questions
OrientDB interview questions and answers - Total 46 questions
SQL interview questions and answers - Total 152 questions
Data Warehouse interview questions and answers - Total 20 questions
IBM DB2 interview questions and answers - Total 40 questions
Data Mining interview questions and answers - Total 30 questions
Elasticsearch interview questions and answers - Total 61 questions

All interview subjects

ASP interview questions and answers - Total 82 questions
C# interview questions and answers - Total 41 questions
LINQ interview questions and answers - Total 20 questions
ASP .NET interview questions and answers - Total 31 questions
Microsoft .NET interview questions and answers - Total 60 questions
Artificial Intelligence (AI) interview questions and answers - Total 47 questions
Machine Learning interview questions and answers - Total 30 questions
NLP interview questions and answers - Total 30 questions
ChatGPT interview questions and answers - Total 20 questions
OpenCV interview questions and answers - Total 36 questions
TensorFlow interview questions and answers - Total 30 questions
COBOL interview questions and answers - Total 50 questions
R Language interview questions and answers - Total 30 questions
Python Coding interview questions and answers - Total 20 questions
Scala interview questions and answers - Total 48 questions
Swift interview questions and answers - Total 49 questions
Golang interview questions and answers - Total 30 questions
Embedded C interview questions and answers - Total 30 questions
C++ interview questions and answers - Total 142 questions
VBA interview questions and answers - Total 30 questions
CCNA interview questions and answers - Total 40 questions
Snowflake interview questions and answers - Total 30 questions
Oracle APEX interview questions and answers - Total 23 questions
AWS interview questions and answers - Total 87 questions
Azure Data Factory interview questions and answers - Total 30 questions
Microsoft Azure interview questions and answers - Total 35 questions
OpenStack interview questions and answers - Total 30 questions
ServiceNow interview questions and answers - Total 30 questions
GDPR interview questions and answers - Total 30 questions
CCPA interview questions and answers - Total 20 questions
HITRUST interview questions and answers - Total 20 questions
LGPD interview questions and answers - Total 20 questions
PDPA interview questions and answers - Total 20 questions
OSHA interview questions and answers - Total 20 questions
HIPPA interview questions and answers - Total 20 questions
PHIPA interview questions and answers - Total 20 questions
FERPA interview questions and answers - Total 20 questions
DPDP interview questions and answers - Total 30 questions
PIPEDA interview questions and answers - Total 20 questions
Operating System interview questions and answers - Total 22 questions
MS Word interview questions and answers - Total 50 questions
Tips and Tricks interview questions and answers - Total 30 questions
PoowerPoint interview questions and answers - Total 50 questions
Data Structures interview questions and answers - Total 49 questions
Computer Networking interview questions and answers - Total 65 questions
Microsoft Excel interview questions and answers - Total 37 questions
Computer Basics interview questions and answers - Total 62 questions
Computer Science interview questions and answers - Total 50 questions
Python Pandas interview questions and answers - Total 48 questions
Python Matplotlib interview questions and answers - Total 30 questions
Django interview questions and answers - Total 50 questions
Pandas interview questions and answers - Total 30 questions
Deep Learning interview questions and answers - Total 29 questions
PySpark interview questions and answers - Total 30 questions
Flask interview questions and answers - Total 40 questions
PyTorch interview questions and answers - Total 25 questions
Data Science interview questions and answers - Total 23 questions
SciPy interview questions and answers - Total 30 questions
Generative AI interview questions and answers - Total 30 questions
NumPy interview questions and answers - Total 30 questions
Python interview questions and answers - Total 106 questions
Oracle interview questions and answers - Total 34 questions
MongoDB interview questions and answers - Total 27 questions
Entity Framework interview questions and answers - Total 46 questions
AWS DynamoDB interview questions and answers - Total 46 questions
MySQL interview questions and answers - Total 108 questions
Data Modeling interview questions and answers - Total 30 questions
Redis Cache interview questions and answers - Total 20 questions
DBMS interview questions and answers - Total 73 questions
MariaDB interview questions and answers - Total 40 questions
Apache Hive interview questions and answers - Total 30 questions
SSIS interview questions and answers - Total 30 questions
PostgreSQL interview questions and answers - Total 30 questions
SQL Query interview questions and answers - Total 70 questions
Teradata interview questions and answers - Total 20 questions
SQLite interview questions and answers - Total 53 questions
Cassandra interview questions and answers - Total 25 questions
Neo4j interview questions and answers - Total 44 questions
MSSQL interview questions and answers - Total 50 questions
OrientDB interview questions and answers - Total 46 questions
SQL interview questions and answers - Total 152 questions
Data Warehouse interview questions and answers - Total 20 questions
IBM DB2 interview questions and answers - Total 40 questions
Data Mining interview questions and answers - Total 30 questions
Elasticsearch interview questions and answers - Total 61 questions
VLSI interview questions and answers - Total 30 questions
Digital Electronics interview questions and answers - Total 38 questions
Software Engineering interview questions and answers - Total 27 questions
MATLAB interview questions and answers - Total 25 questions
Civil Engineering interview questions and answers - Total 30 questions
Electrical Machines interview questions and answers - Total 29 questions
Data Engineer interview questions and answers - Total 30 questions
AutoCAD interview questions and answers - Total 30 questions
Robotics interview questions and answers - Total 28 questions
Power System interview questions and answers - Total 28 questions
Electrical Engineering interview questions and answers - Total 30 questions
Verilog interview questions and answers - Total 30 questions
TIBCO interview questions and answers - Total 30 questions
Informatica interview questions and answers - Total 48 questions
Oracle CXUnity interview questions and answers - Total 29 questions
Web Services interview questions and answers - Total 10 questions
Salesforce Lightning interview questions and answers - Total 30 questions
Power BI interview questions and answers - Total 24 questions
IBM Integration Bus interview questions and answers - Total 30 questions
OIC interview questions and answers - Total 30 questions
Dell Boomi interview questions and answers - Total 30 questions
Web API interview questions and answers - Total 31 questions
Salesforce interview questions and answers - Total 57 questions
IBM DataStage interview questions and answers - Total 20 questions
Talend interview questions and answers - Total 34 questions
Java 15 interview questions and answers - Total 16 questions
Core Java interview questions and answers - Total 306 questions
Java Multithreading interview questions and answers - Total 30 questions
Apache Wicket interview questions and answers - Total 26 questions
JBoss interview questions and answers - Total 14 questions
Log4j interview questions and answers - Total 35 questions
Java Mail interview questions and answers - Total 27 questions
Java Applet interview questions and answers - Total 29 questions
Google Gson interview questions and answers - Total 8 questions
Java 21 interview questions and answers - Total 21 questions
Struts interview questions and answers - Total 84 questions
RMI interview questions and answers - Total 31 questions
Apache Camel interview questions and answers - Total 20 questions
Java Support interview questions and answers - Total 30 questions
JAXB interview questions and answers - Total 18 questions
JSP interview questions and answers - Total 49 questions
Java Concurrency interview questions and answers - Total 30 questions
J2EE interview questions and answers - Total 25 questions
JUnit interview questions and answers - Total 24 questions
Java OOPs interview questions and answers - Total 30 questions
Apache Tapestry interview questions and answers - Total 9 questions
JDBC interview questions and answers - Total 27 questions
Java 11 interview questions and answers - Total 24 questions
Java Garbage Collection interview questions and answers - Total 30 questions
Spring Framework interview questions and answers - Total 53 questions
Java Swing interview questions and answers - Total 27 questions
Java Design Patterns interview questions and answers - Total 15 questions
JPA interview questions and answers - Total 41 questions
Hibernate interview questions and answers - Total 52 questions
JMS interview questions and answers - Total 64 questions
JSF interview questions and answers - Total 24 questions
Java 8 interview questions and answers - Total 30 questions
Java 17 interview questions and answers - Total 20 questions
Servlets interview questions and answers - Total 34 questions
EJB interview questions and answers - Total 80 questions
Java Beans interview questions and answers - Total 57 questions
Java Exception Handling interview questions and answers - Total 30 questions
Spring Boot interview questions and answers - Total 50 questions
Kotlin interview questions and answers - Total 30 questions
Pega interview questions and answers - Total 30 questions
ITIL interview questions and answers - Total 25 questions
Finance interview questions and answers - Total 30 questions
SAP MM interview questions and answers - Total 30 questions
JIRA interview questions and answers - Total 30 questions
SAP ABAP interview questions and answers - Total 24 questions
SCCM interview questions and answers - Total 30 questions
Tally interview questions and answers - Total 30 questions
iOS interview questions and answers - Total 52 questions
Ionic interview questions and answers - Total 32 questions
Android interview questions and answers - Total 14 questions
Mobile Computing interview questions and answers - Total 20 questions
Xamarin interview questions and answers - Total 31 questions
DevOps interview questions and answers - Total 45 questions
Algorithm interview questions and answers - Total 50 questions
Splunk interview questions and answers - Total 30 questions
Accounting interview questions and answers - Total 30 questions
Business Analyst interview questions and answers - Total 40 questions
SSB interview questions and answers - Total 30 questions
OSPF interview questions and answers - Total 30 questions
Sqoop interview questions and answers - Total 30 questions
JSON interview questions and answers - Total 16 questions
Accounts Payable interview questions and answers - Total 30 questions
IoT interview questions and answers - Total 30 questions
Computer Graphics interview questions and answers - Total 25 questions
Insurance interview questions and answers - Total 30 questions
Scrum Master interview questions and answers - Total 30 questions
XML interview questions and answers - Total 25 questions
Bitcoin interview questions and answers - Total 30 questions
Laravel interview questions and answers - Total 30 questions
GraphQL interview questions and answers - Total 32 questions
Active Directory interview questions and answers - Total 30 questions
Microservices interview questions and answers - Total 30 questions
Adobe AEM interview questions and answers - Total 50 questions
Tableau interview questions and answers - Total 20 questions
Apache Kafka interview questions and answers - Total 38 questions
Kubernetes interview questions and answers - Total 30 questions
OOPs interview questions and answers - Total 30 questions
PHP OOPs interview questions and answers - Total 30 questions
Desktop Support interview questions and answers - Total 30 questions
Fashion Designer interview questions and answers - Total 20 questions
IAS interview questions and answers - Total 56 questions
Nursing interview questions and answers - Total 40 questions
Dynamic Programming interview questions and answers - Total 30 questions
Linked List interview questions and answers - Total 15 questions
CICS interview questions and answers - Total 30 questions
SharePoint interview questions and answers - Total 28 questions
Yoga Teachers Training interview questions and answers - Total 30 questions
Behavioral interview questions and answers - Total 29 questions
Language in C interview questions and answers - Total 80 questions
School Teachers interview questions and answers - Total 25 questions
Digital Marketing interview questions and answers - Total 40 questions
Statistics interview questions and answers - Total 30 questions
Apache Spark interview questions and answers - Total 24 questions
Full-Stack Developer interview questions and answers - Total 60 questions
VISA interview questions and answers - Total 30 questions
IIS interview questions and answers - Total 30 questions
System Design interview questions and answers - Total 30 questions
Cloud Computing interview questions and answers - Total 42 questions
Google Analytics interview questions and answers - Total 30 questions
ANT interview questions and answers - Total 10 questions
BPO interview questions and answers - Total 48 questions
SEO interview questions and answers - Total 51 questions
HR Questions interview questions and answers - Total 49 questions
Control System interview questions and answers - Total 28 questions
Agile Methodology interview questions and answers - Total 30 questions
Content Writer interview questions and answers - Total 30 questions
SAS interview questions and answers - Total 24 questions
REST API interview questions and answers - Total 52 questions
Blockchain interview questions and answers - Total 29 questions
Mainframe interview questions and answers - Total 20 questions
Checkpoint interview questions and answers - Total 20 questions
Hadoop interview questions and answers - Total 40 questions
Banking interview questions and answers - Total 20 questions
Technical Support interview questions and answers - Total 30 questions
Sales interview questions and answers - Total 30 questions
Chemistry interview questions and answers - Total 50 questions
Nature interview questions and answers - Total 20 questions
Docker interview questions and answers - Total 30 questions
Interview Tips interview questions and answers - Total 30 questions
SDLC interview questions and answers - Total 75 questions
RPA interview questions and answers - Total 26 questions
Cryptography interview questions and answers - Total 40 questions
College Teachers interview questions and answers - Total 30 questions
Memcached interview questions and answers - Total 28 questions
GIT interview questions and answers - Total 30 questions
Blue Prism interview questions and answers - Total 20 questions
JCL interview questions and answers - Total 20 questions
JavaScript interview questions and answers - Total 59 questions
Ajax interview questions and answers - Total 58 questions
Express.js interview questions and answers - Total 30 questions
Ansible interview questions and answers - Total 30 questions
ES6 interview questions and answers - Total 30 questions
Electron.js interview questions and answers - Total 24 questions
NodeJS interview questions and answers - Total 30 questions
RxJS interview questions and answers - Total 29 questions
jQuery interview questions and answers - Total 22 questions
ExtJS interview questions and answers - Total 50 questions
Vue.js interview questions and answers - Total 30 questions
Svelte.js interview questions and answers - Total 30 questions
Shell Scripting interview questions and answers - Total 50 questions
Next.js interview questions and answers - Total 30 questions
TypeScript interview questions and answers - Total 38 questions
Knockout JS interview questions and answers - Total 25 questions
Terraform interview questions and answers - Total 30 questions
PowerShell interview questions and answers - Total 27 questions
Ethical Hacking interview questions and answers - Total 40 questions
Cyber Security interview questions and answers - Total 50 questions
PII interview questions and answers - Total 30 questions
Data Protection Act interview questions and answers - Total 20 questions
BGP interview questions and answers - Total 30 questions
Tomcat interview questions and answers - Total 16 questions
Glassfish interview questions and answers - Total 8 questions
Ubuntu interview questions and answers - Total 30 questions
Linux interview questions and answers - Total 43 questions
Unix interview questions and answers - Total 105 questions
Weblogic interview questions and answers - Total 30 questions
QTP interview questions and answers - Total 44 questions
Cucumber interview questions and answers - Total 30 questions
TestNG interview questions and answers - Total 38 questions
Postman interview questions and answers - Total 30 questions
SDET interview questions and answers - Total 30 questions
Quality Assurance interview questions and answers - Total 56 questions
Mobile Testing interview questions and answers - Total 30 questions
Kali Linux interview questions and answers - Total 29 questions
UiPath interview questions and answers - Total 38 questions
Selenium interview questions and answers - Total 40 questions
API Testing interview questions and answers - Total 30 questions
Appium interview questions and answers - Total 30 questions
ETL Testing interview questions and answers - Total 20 questions
CSS interview questions and answers - Total 74 questions
Ruby On Rails interview questions and answers - Total 74 questions
Yii interview questions and answers - Total 30 questions
Angular interview questions and answers - Total 50 questions
PHP interview questions and answers - Total 27 questions
Oracle JET(OJET) interview questions and answers - Total 54 questions
Frontend Developer interview questions and answers - Total 30 questions
Zend Framework interview questions and answers - Total 24 questions
RichFaces interview questions and answers - Total 26 questions
HTML interview questions and answers - Total 27 questions
Flutter interview questions and answers - Total 25 questions
CakePHP interview questions and answers - Total 30 questions
React Native interview questions and answers - Total 26 questions
React interview questions and answers - Total 40 questions
Web Developer interview questions and answers - Total 50 questions
Angular JS interview questions and answers - Total 21 questions
Angular 8 interview questions and answers - Total 32 questions
Dojo interview questions and answers - Total 23 questions
Symfony interview questions and answers - Total 30 questions
GWT interview questions and answers - Total 27 questions
©2024 WithoutBook