Basic Database Oracle Interview Questions And Answers Pdf

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SQL programming skills are highly desirable and required in the market, as there is a massive use of Database Management Systems DBMS in almost every software application. In order to get a job, candidates need to crack the interview in which they are asked various SQL interview questions.

Top 40 Oracle interview questions along with answers covering almost all the basic concepts of Oracle. You will find the basics of Oracle explained with simple examples for your understanding. If you are planning to appear for an Oracle interview, these sets of questions covered in this article will definitely be of great help.

500 Oracle interview questions and answers - Oracle FAQ PDF.pdf

What is Oracle and what are its different editions? Answer: Oracle is one of the popular database provided by Oracle Corporation, which works on relational management concepts and hence it is referred to as Oracle RDBMS as well. It is widely used for online transaction processing, data warehousing, and enterprise grid computing. What is a Data Dictionary and how can it be created? Answer : Whenever a new database is created, a database-specific data dictionary gets created by the system.

Top 90 SQL Interview Questions and Answers (LATEST)

These are the most common and useful SQL interview questions for freshers as well as experienced candidates. Basics to advanced concepts of SQL are covered in this article. Refer to these questions for a quick revision of major SQL concepts before appearing for an interview. Answer: Structured Query Language SQL is a database tool that is used to create and access the database to support software applications. Answer: The table is a collection of record and its information at a single view. Q 3 What are the different types of statements supported by SQL? What is its use?

Oracle Interview Questions and Answers Pdf

IntegrityConstraints Itcanbecalledasadeclarativewayinordertodefinea businessruleforatable'scolumn. Itcanbecalledasanoptionalstructurewhichisassociated withatablefordirectaccesstotherows Indexcanbecreatedforoneormorecolumnsinatable. Itcanbedefinedasaspecificnumberofcontiguousdata blocksinsingleallocation. ANALYZEcommandisusedtoperformvariousfunctionson index,table,orcluster,aslistedbelow: Ithelpsindentifyingmigratedandchainedrowsofthetableor cluster. Ithelpsincollectingthestatisticsaboutobjectusedbythe optimizer.

There are a lot of opportunities from many reputed companies in the world. According to research, Oracle DBA has a market share of about 0. This course will help you to achieve excellence in this domain. Oracle automatically maintains and uses indexes and when any change is made in the table data Oracle automatically distributes it into relevant indexes. Oracle usually publishes a major release once a 4 year.

Important Oracle Interview Questions with Answers

Varchar can store upto bytes and varchar2 can store upto bytes. Both are differed with respect to space. RAW datatype is used to store values in binary data format.

Explore Now! Oracle Interview Questions and Answers provided here are appropriate for both freshers and experienced candidates. By going through this questionnaire, anyone must be able to recognize the questions and explanations provided. All these questions will surely enable you to prepare for technical interviews and online tests which is conducted at the time of campus placement. Referring to the below question and answers, you will be able to get more knowledge on basic and advanced level concepts. Schema objects are tables, views, sequences, synonyms, indexes,databases triggers, procedures, functions, packages.


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.


Here is a list of 60 interview questions about Oracle Database with their answers. The list contains questions useful for basic, freshers and experienced oracle professionals. Each question contains their answer also.

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4 Response
  1. Fiedsetulin

    Oracle Interview Question and Answers. What is Oracle table? A table is the basic unit of data storage in an Oracle database. What are Clusters? Clusters are groups of one or more tables physically stores together to share common columns and are often used together. What is an Index? What are the advantages of views?

  2. Claus R.

    This list includes characteristics of the Oracle database, roles of a Database Administrator, tools used for administering the Oracle database, comparing a cluster with a grid, the architecture of Oracle Grid Computing, and more.

  3. Laura J.

    Oracle Interview Questions and Answers Pdf. 1. If any of the datatypes or precision gets changed in the database, PL/SQL code gets updated automatically Simple clusters have static resources for specific applications by specific owners.

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