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Test: Database Management System - 2 - Bank Exams MCQ


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10 Questions MCQ Test IBPS PO Prelims & Mains Preparation - Test: Database Management System - 2

Test: Database Management System - 2 for Bank Exams 2024 is part of IBPS PO Prelims & Mains Preparation preparation. The Test: Database Management System - 2 questions and answers have been prepared according to the Bank Exams exam syllabus.The Test: Database Management System - 2 MCQs are made for Bank Exams 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Database Management System - 2 below.
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Test: Database Management System - 2 - Question 1

Which of the following is used in the application programs to request data from the database management system?

Detailed Solution for Test: Database Management System - 2 - Question 1

The "select" command is typically used to retrieve data from the database management system. As a result, when the application programmes request data from the database management system, they do it using the Data Manipulation Language.

Test: Database Management System - 2 - Question 2

In which one of the following, the multiple lower entities are grouped (or combined) together to form a single higher-level entity?

Detailed Solution for Test: Database Management System - 2 - Question 2

The generalisation makes use of the bottom-up methodology. A single higher-level entity is created by combining the several lower-level sub-entities. We may sum it up by saying that it is the exact opposite of specialisation.

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Test: Database Management System - 2 - Question 3

Which of the following command is a type of Data Definition language command?

Detailed Solution for Test: Database Management System - 2 - Question 3

The database structure is often defined or maintained using the Data Definition Language. Creating, deleting, and altering tables are a few examples. In a nutshell, we can say that the database table schemas are worked on using data definition languages.

Test: Database Management System - 2 - Question 4

In general, a file is basically a collection of all related_____________.

Detailed Solution for Test: Database Management System - 2 - Question 4

Every time we have related data, information, or records, we gather them together, combine them, store them in a single location, and give the collection a name that is known as a file.

Test: Database Management System - 2 - Question 5

A huge collection of the information or data accumulated form several different sources is known as _________________.

Detailed Solution for Test: Database Management System - 2 - Question 5

A data warehouse is a sizable collection of various sorts of data/information gathered from numerous sources and kept in one location. It functions exactly like a regular warehouse, which is typically a holding area or facility used to store numerous various types of items until they are disseminated further. Data Warehouse is the appropriate response.

Test: Database Management System - 2 - Question 6

A Database Management System is a type of _________software.

Detailed Solution for Test: Database Management System - 2 - Question 6

A type of system software called a DBMS, or database management system, is used for many tasks like building tables and databases, storing data, and administering databases. Additionally, it enables editing of the database's data.

Test: Database Management System - 2 - Question 7

Which of the following is generally used for performing tasks like creating the structure of the relations, deleting relation?

Detailed Solution for Test: Database Management System - 2 - Question 7

The phrase "DDL" stands for Data Definition Language, which is utilised to carry out all other crucial functions, such erasing associated schemas and relational relationships when constructing a structural relation.

Test: Database Management System - 2 - Question 8

The oldest Database model is _______________.

Detailed Solution for Test: Database Management System - 2 - Question 8

The oldest database model is the hierarchical database. It was developed by IBM in 1968 and organizes data in a tree-like structure. The hierarchical database was the first one developed and was commonly used in the first mainframe database management systems.

Test: Database Management System - 2 - Question 9

Which key from the list below is necessary to handle the data when encryption is used to prevent unauthorized access to the data?

Detailed Solution for Test: Database Management System - 2 - Question 9

The message is encrypted using the encryption key. Even if an enemy intercepts the message, he won't be able to decrypt it and understand what it means because he doesn't have the key.

Test: Database Management System - 2 - Question 10

Which of the following lists data descriptions as well as the names, data types, and field lengths for each database field?

Detailed Solution for Test: Database Management System - 2 - Question 10

Each component of your dataset and data model is given a thorough definition in a data dictionary. The documentation of significant and practical information, such as a descriptive name, the data type, permitted values, units, and text description, is done using data dictionaries.

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