Computer Awareness QuizQuizzes Computer Awareness Quiz 5| IBPS RRB PO & Clerk Mains By Chandrahas Tripathti - September 21, 2021 Share FacebookTwitterWhatsAppTelegramEmail In this Computer Awareness quiz there are 20 MCQs. The passing mark is 60% Time – 8.5 Minute All the Best! 0% 0 votes, 0 avg 129 Created on September 21, 2021 Computer Awareness Quiz 5 1 / 20 Dr Edgar F. Codd, came up with _____ rules of his own, which according to him, a database must obey in order to be regarded as a true relational database.? 12 13 14 15 2 / 20 A single row of a table, which contains a single record for that relation is called ____? Tuple Entry Field Database 3 / 20 Full form of SQL is ? Standard Query Language Subject Query Language Structured Query Language Structured Question Language 4 / 20 A database model in which the data are organized into a tree-like structure is known as _____? Network database model Object Oriented database model Relational database model Hierarchical database model 5 / 20 _______, how data is connected to each other and how they are processed and stored inside the system? Data Model Data Schema Attribute Data Structure 6 / 20 _______ is a single unique object in the real world that is being mastered. For examples a single person, single product,? Record Entity Attribute Table. 7 / 20 Correct representation of One to many relationships? A project can have more than one student working on it. Many project can have more than one student working on it. A student working on 2 projects Two student working on 2 projects 8 / 20 In ______, attributes can’t contain a NULL value ? Composite Key. Foreign Key Primary Key Candidate Key 9 / 20 A ______contains the most detailed information about events, people, objects,? Database Field Record Table 10 / 20 A ______ is a collection of related records with a unique name? Database Table Record Rows 11 / 20 Calibri is the default font of MS____?कैलिबरी MS____ का डिफ़ॉल्ट फॉन्ट है? All of these PowerPoint Excel Word 12 / 20 _____ is the combination of one or more column values in a table that make a row of data unique within the table? Primary Key Super Key Foreign Key Composite Key. 13 / 20 With the help of ______ a user gets ability to query information from the database and insert tuples into Database ? DML DBMS Schema DDL 14 / 20 _______, refers to the organization of data as a blueprint (skeleton structure) of how the database is constructed? Structure Model Attribute Schema 15 / 20 _______, A characteristic or trait of an entity type that describes the entity, for example Date of Birth? Table. Record Entity Attribute 16 / 20 ______ is a system used for reporting and data analysis and is considered a core component of business intelligence.? Table. Database Record Data Warehouse 17 / 20 ______ it is used to build and modify the structure of your tables and other objects in the database? DBMS DDM DDL Schema 18 / 20 ______ model organizes data into one or more tables of columns and rows, with a unique key identifying each row.? Hierarchical database model Relational database model Network database model Object Oriented database model 19 / 20 A ______ is a collection of related fields.? Database Record Table Rows 20 / 20 Which of the following is not a disadvantage of DBMS? High Cost of Hardware and Software Database Failure All are Disadvantages Complexity Requirement of Technical Staff Please Enter your Name Your score is The average score is 48% LinkedIn Facebook Twitter VKontakte 0% Restart quiz