RDBMS using SQLite Unit 1: Understanding Data

Data is a collection of distinct small units of information.

The word 'Data' originates from the word 'datum,' which means 'single piece of information.'

A DBMS is system software for creating and managing databases.

<p>The purpose of a DBMS is to enable users to create and maintain a database for various applications.</p> Signup and view all the answers

<p>In computing, data is defined as information that can be translated into a form for efficient movement and processing.</p> Signup and view all the answers

<p>The DBMS serves as an interface between databases and users or application programs, ensuring that data is consistently organized and remains easily accessible.</p> Signup and view all the answers

<p>Data redundancy and inconsistency, Difficult in accessing data, Data isolation, Data integrity, Concurrent access is not possible, Security Problems</p> Signup and view all the answers

<p>Data Independence, Efficient Data Access, Data Integrity and security, Data administration, Concurrent access and Crash recovery, Reduced Application Development Time</p> Signup and view all the answers

<p>Banking, Airlines, Universities, Sales, Online retailers, Manufacturing, Human resources</p> Signup and view all the answers

<p>Query processor, Run time database manager</p> Signup and view all the answers

<p>Transforms user queries into a series of low-level instructions, Interprets the online user’s query, Converts it into an efficient series of operations in a form capable of being sent to the run time data manager for execution</p> Signup and view all the answers

<p>It interfaces with user-submitted application programs and queries, Handles database access at run time, Converts operations in user’s queries from the user’s logical view to a physical file system, Accepts queries and examines the external and conceptual schemas to determine what conceptual records are required to satisfy the user’s request</p> Signup and view all the answers

<p>Banking, Airlines, Universities, Sales, Online retailers, Manufacturing, Human resources</p> Signup and view all the answers

<p>System crashes, Unauthorized access</p> Signup and view all the answers

<p>Employee records, Salaries, Tax deductions</p> Signup and view all the answers

<p>Data Independence, Efficient Data Access, Data Integrity and security, Data administration, Concurrent access, Crash recovery, Reduced Application Development Time</p> Signup and view all the answers