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Which of the following can be used to retrieve data from a database?
- a)Stack
- b)Queue
- c)Linked list
- d)Query
Correct answer is option 'D'. Can you explain this answer?
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Which of the following can be used to retrieve data from a database?a...
Data structure is a particular way of organising data in a computer so that it can be used efficiently. Stack, queue and linked list are data structures, whereas a query is a request for information from a database.
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Which of the following can be used to retrieve data from a database?a...
Query
A query is a request for data or information from a database. It is used to retrieve specific data that matches certain criteria or conditions.
How Queries Retrieve Data
- Queries are written in a specific query language such as SQL (Structured Query Language) which is designed to interact with databases.
- By writing and executing a query, users can specify the exact data they want to retrieve from the database.
- Queries can perform various operations such as selecting, inserting, updating, and deleting data from a database.
Retrieving Data from a Database
- To retrieve data from a database, a query must be written and executed using a database management system (DBMS) or database software.
- The query is sent to the DBMS which processes it and retrieves the requested data from the database.
- The retrieved data is then displayed to the user, either in a tabular format or in a way specified by the query.
Importance of Queries in Database Operations
- Queries are essential for retrieving specific data from a database efficiently.
- They allow users to extract only the information they need, saving time and resources.
- Queries are also used for data manipulation, reporting, and analysis in various industries and applications.
A query is a request for data or information from a database. It is used to retrieve specific data that matches certain criteria or conditions.
How Queries Retrieve Data
- Queries are written in a specific query language such as SQL (Structured Query Language) which is designed to interact with databases.
- By writing and executing a query, users can specify the exact data they want to retrieve from the database.
- Queries can perform various operations such as selecting, inserting, updating, and deleting data from a database.
Retrieving Data from a Database
- To retrieve data from a database, a query must be written and executed using a database management system (DBMS) or database software.
- The query is sent to the DBMS which processes it and retrieves the requested data from the database.
- The retrieved data is then displayed to the user, either in a tabular format or in a way specified by the query.
Importance of Queries in Database Operations
- Queries are essential for retrieving specific data from a database efficiently.
- They allow users to extract only the information they need, saving time and resources.
- Queries are also used for data manipulation, reporting, and analysis in various industries and applications.
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Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer?
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Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer? for SSC CGL 2024 is part of SSC CGL preparation. The Question and answers have been prepared according to the SSC CGL exam syllabus. Information about Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CGL 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer?.
Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer? for SSC CGL 2024 is part of SSC CGL preparation. The Question and answers have been prepared according to the SSC CGL exam syllabus. Information about Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CGL 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following can be used to retrieve data from a database?a)Stackb)Queuec)Linked listd)QueryCorrect answer is option 'D'. Can you explain this answer?.
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