What is rdbms - Study guides, Class notes & Summaries

SQL and Excel Interview for FDM Exam Questions With Correct Answers. What is a DBMS? - answerA Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than saving it in file systems What is RDBMS? - answerRDBMS stands for Relational Database Management System. RDBMS store the data into the collection of tables, which is related by common fields between the columns of...

CNIT 272 Final Exam Questions and Answers Rated A A Primary Key having the fewest number of attributes to make it unique is called. Minimization If the child entity requires the primary key of the parent entity for its unique identity, then you create ______. Identifying Relationship If each child record has a unique identifier of its own, then the relationship is know as a _______. Non-Identifying Relationship Entities that have no foreign keys in their pk. Independent Entity Entities that...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e Nosql Exam Questions With Verified And Updated Answers The "Many Sources One View" use case of MongoDB suggests that a. MongoDB can collect vast amounts of data. b. MongoDB can store data collected from multiple sources as long as they are the same format. c. MongoDB can ingest different types of data from different sources and consolidate it into one view for all data. d. MongoDB can store data that is of diffe...

Data Systems Administration - D330 (All Questions from Chapter 8-10, 12-15, and 17) Rated A+ **Q1: Which database parameter can an administrator modify without needing to restart the database?** A. COMPATIBLE B. DB_DOMAIN C. SGA_TARGET D. UNDO_MANAGEMENT **Answer: C. SGA_TARGET** **Q2: Which database view displays parameters that have been altered using the SCOPE=SPFILE clause?** A. V$SPPARAMETER B. V$NLS_PARAMETER C. V$HS_PARAMETER D. V$PARAMETER **Answer: A. V$SPPAR...

The 3Vs in the definition of Big Data stand for: A: Volume, Value, Veracity B: Volume, Variety, Value C: Volume, Variety, Velocity - correct answer C: Volume, Variety, Velocity The four stages in Big Data adoption identified by the 2012 IBM/University of Oxford report DO NOT include: A: Educate B: Expect C: Engage D: Execute - correct answer B: Expect The main sponsor(s) in the "Execute" stage of big...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e Introduction to NoSQL Databases. Exam Questions With Verified And Updated Answers What is NOSQL? - answerNoSQL is a class of database management system identified by its non-adherence to the widely used relational database management system (RDBMS) model with its structured query language (SQL). NOSQL has evolved to mean "Not Only" SQL NOSQL has become prominent with the advent of web scale data and systems creat...

When would you use an Enterprise Enabled Multi-user Geodatabase? ANSWER: - when you need a multi-user GDB that can be edited and used simultaneously by many users - when you need to manage long transactions and versioned-based workflows - when you need extremely large, continuous GIS DBs Describe an Enterprise Multi-user GDB ANSWER: *What it does:* - translate spatial/non-spatial queries from ArcGIS to RDBMS format - interacts w/RDBMS server for data storage/retrieval - performs GIS op...

©THESTAR EXAM SOLUTIONS 2024/2025 ALL RIGHTS RESERVED. 1 | P a g e NoSQL Final Exam Questions With Verified And Updated Answers What factors let to the emergence of NoSQL databases? - answer1) Impedance mismatch: differences between relational models and data structures used by applications that interact with databases 2) Web services: shift to web services (using HTTP) in early 2000's, need more flexibility in data structure 3) Big data: rapid data expansion -- either scale up or ...

Big Data Questions and Answers Rated A+ What do you know about the term "Big Data"? Big Data is a term associated with complex and large datasets. A relational database cannot handle big data, and that's why special tools and methods are used to perform operations on a vast collection of data. Big data enables companies to understand their business better and helps them derive meaningful information from the unstructured and raw data collected on a regular basis. Big data also allow...

Object-oriented programming (OOP) Ans: a programming language model organized around objects that have data and methods that form the object. It's an instance of a class. four main concepts: 1. Encapsulation 2. Abstraction 3. Inheritance 4. Polymorphism. Variables Ans: A structure for temporarily storing data in your computers memory 1. primitive variables - data types like integers, decimals, and alphanumeric characters 2. reference variables- store memory addresses where object...