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Top 25 System Design Interview Questions and Answers
Database

Top 25 System Design Interview Questions and Answers

Following are frequently asked questions in interviews for freshers as well as experienced system designers. 1) What is System Design? System design is a process of defining the elements of a system such as the architecture, components, modules, and various interfaces. 2) What are the three most essential skills of system designer? Important skills for…

Top 50 JDBC Interview Questions and Answers
Database

Top 50 JDBC Interview Questions and Answers

1) What is the JDBC? JDBC stands for Java Database Connectivity. JDBC is a Java API that communicates with the database and execute SQLquery. 2) What is a JDBC driver and how many JDBC drivers are available? JDBC driver contains classes and interfaces that help Java application and database. There are 4 types of JDBC…

Top 24 T-SQL Interview Questions & Answers
Database

Top 24 T-SQL Interview Questions & Answers

1) Mention what is T-SQL? T-SQL  stands for Transact Structured Query Language. It is an extension of SQL functionality supported by Microsoft SQL Server and Sybase ASE. 2) Mention what is the difference between SQL and T-SQL? The difference between SQL and TSQL is that SQL is a query language to operate on sets, while…

Top 20 Oracle RAC Interview Questions & Answers
Database

Top 20 Oracle RAC Interview Questions & Answers

1) Mention what is cluster? A cluster is referred to a group of independent, but connected servers that behaves as a single system. 2) Mention what is Oracle Real Application Clusters? RAC or Real Application Cluster is a component of the database product that enables the database to be installed across multiple servers. Oracle RAC…

Top 13 Oracle Forms Interview Questions & Answers
Database

Top 13 Oracle Forms Interview Questions & Answers

1) Explain what is Oracle Forms? Oracle Forms is a software product for creating screens that interact with an Oracle database.  It has an IDE including a property sheet, object navigator and code editor that uses PL/SQL. 2) Explain what are the Oracle forms services components include? Oracle forms consist of Client: Client sends the…

Top 20 Neo4j Interview Questions & Answers
Database

Top 20 Neo4j Interview Questions & Answers

1) Explain what is Neo4j? Neo4j is an open source NOSQL graph database, implemented in Java. It saves data structured in graphs rather than in tables. 2) For what Neo4j is widely used for? Neo4j is widely used for Highly connected data – Social Network Recommendation- ( e-coomerce) Path Finding Data First Schema (bottom-up) Schema…

Top 50 MySQL Interview Questions & Answers
Database

Top 50 MySQL Interview Questions & Answers

MySQL is an open-source Database Management System (DBMS) for managing and organizing the data in a tabular format. These data can be manipulated using MySQL programming language. In every industry, database is used for different functions, so there is a huge demand for the professionals having the knowledge of MySQL programming language. To build a…

Top 50 DB2 Interview Questions & Answers
Database

Top 50 DB2 Interview Questions & Answers

1.) Define DB2. DB2 is a Database Management System for the MVS Operating System where, DB2 is a subsystem of MVS Operating System. 2.) What is the purpose of using COMMIT? The data changes can be made permanent by using COMMIT. It also permits data to be accessed by other applications who can reference the…

Top 50 Oracle Applications Interview Questions & Answers
Data Analytics & Business Intelligence | Database

Top 50 Oracle Applications Interview Questions & Answers

1. What are the steps in attaching reports with oracle applications? There are certain steps that you need to follow systematically for attaching the reports along with oracle application. Designing the report. Generating executable file related with report. Moving executable and source files to the appropriate folder of the product. Registering the report in the…