Interview Questions

Spark Interview Questions

Spark Interview Questions

 Q.What is the difference between Spark and Hadoop? Answer: 1.Speed: Apache Spark: Spark is lightning fast cluster computing tool. Apache Spark runs applications up to 100x faster in memory and 10x faster on disk than Hadoop. Because of reducing the number of read/write cycle to disk and storing intermediate data in-memory Spark makes it possible. Hadoop MapReduce – MapReduce reads and writ

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Oracle Sql Plsql Interview Questions

Oracle Sql Plsql Interview Questions

Q.What are the components of physical database structure of Oracle database? Answer: 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. Q.What are the components of logical database structure of Oracle database? Answer: There are tablespaces and database's schema objects. Q.What is a tablespace? Answer: A d

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MSBI Interview Questions

MSBI Interview Questions

 SSIS ­ SQL Server Integration Services Q: What is SSIS? How it is related with SQL Server. Ans: SQL Server Integration Services (SSIS) is a component of SQL Server which can be used to perform a wide range of Data Migration and ETL operations. SSIS is a component in MSBI process of SQL Server. This is a platform for Integration and Workflow applications. It is known for a fast and flexible OL

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LoadRunner Interview Questions

LoadRunner Interview Questions

 Q.What is load testing? Ans: Load testing is to test that if the application works fine with the loads that result from large number of simultaneous users, transactions and to determine weather it can handle peak usage periods. Q.What is Performance testing? Ans: Timing for both read and update transactions should be gathered to determine whether system functions are being performed in an acc

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Linux Interview Questions

Linux Interview Questions

 Q.How are devices represented in UNIX? Ans: All devices are represented by files called special files that are located in/dev directory. Thus, device files and other files are named and accessed in the same way. A 'regular file' is just an ordinary data file in the disk. A 'block special file' represents a device with characteristics similar to a disk (data transfer in terms of blocks). A 'c

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Oracle Golden Gate Interview Questions

Oracle Golden Gate Interview Questions

 Q.What are some of the key features of GoldenGate 12c? Ans:The following are some of the more interesting features of Oracle GoldenGate 12c: Support for Multitenant Database Coordinated Replicat Integrated Replicat Mode Use of Credential store Use of Wallet and master key Trigger-less DDL replication Automatically adjusts threads when RAC node failure/start Supports RAC PDML Distrib

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Oracle ADF Interview Questions

Oracle ADF Interview Questions

 Q.What is Oracle ADF? Ans: Oracle ADF is an commercial java/j2ee framework, which is used to build enterprise applications. It is one of the most comprehensive and advanced framework in market for J2EE Q.What are the advantages of using ADF? Ans: Following are the advantages of using: It supports Rapid Application Development. It is based on MVC architecture Declarative Approach (XML Dri

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Dotnet Interview Questions

Dotnet Interview Questions

 Q.What is .Net Framework? Ans: NET Framework is an important integral component in .NET software. .NetFramework is a runtime environment,which we can use to run .net applications. Q.What is Visual Studio.Net? Ans: Visual Studio .NET is a Microsoft-integrated development environment (IDE) that can be used for developing console applications, Windows Applications, Web Applications, Window

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C and C++ Interview Questions

C and C++ Interview Questions

  C Interview Questions Q.Who invented C Language? Ans: Dennis Ritchie in 1972 developed a new language by inheriting the features of both BCPL and B and adding additional features. He named the language as just C Q.Who invented B Language? Ans: Ken Thomson at AT&T Bell Labs developed a language and named it B. Even the B language was found to have some short comings to support development o

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Cloud Computing Interview Questions

Cloud Computing Interview Questions

  Q.What is Hypervisor in Cloud Computing and its types? Ans: The hypervisor is a virtual machine monitor (VMM) that manages resources for virtual machines. The name hypervisor is suggested as it is a supervisory tool for the virtual machines. There are mainly two types of hypervisors : -> Type-1: the guest Vm runs directly over the host hardware, e.g Xen, Hyper-V, VmWare ESXi -> Type-2: th

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SQL Server DBA Interview Questions

SQL Server DBA Interview Questions

 Q.What are the different types of backups? Answer: The SQL server offers 4 types of backups to suit the need of the administrator. Complete backup :The complete back up is just zipping the content of the entire database in terms of the different tables and procedures etc. This back up can server as an independent entity that can be restored in different systems with just the base SQL server in

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Hadoop Interview Questions

Hadoop Interview Questions

Q.What is BIG Data? Ans: Big Data is nothing but an assortment of such a huge and complex data that it becomes very tedious to capture, store, process, retrieve and analyze it with the help of on-hand database management tools or traditional data processing techniques. Q.What is Hadoop framework? Ans: Hadoop is an open source framework which is written in java by apache software foundation. Th

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