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• Structure :- Non- Relation Includes Various Models • Subtypes Document-based :- JSON-Like Documents (eg., MongoDb,CauchDB) Key Value stores :- Simple Key-Value pairs (eg.,Redis DynomoDB) Colum-based :- Colum-Format (eg., Cassandra,HBase) Graph-based :- Notes And Edges For Relationship (e.g., Neo4) • Strengths:- Schema Flexibility  Scalability (especially horizontal) Better for unstructured semi-Structured Data  • Use Cases:- Real Time Analytics,IOT, Social, Networék , Big Data Alls •Where We Use NOSQL Database  1. Real-time Web Application  Use : Chat Apps, Social Feeds , Real-time analytics. Why NOSQL : Low Latency and High Throughput especially With in Memory database  2. Social Media Platform  Use : Paste , Like, Comment, User Relationship  Why NOSQL: Flexible Scheme Allows Fast change Grap Database are Great For Relationship 

• What Is Library In python A library is a collection Of Modules That Are bundled Together Too provide A Set Of Related Functionality A Library Might Cation One or More Module$ , which In turn Might Include Several Function, classes, and Methods That Perform Specific Tasks Libraries Are Generally More Comprehensive Than A Single Module As They Aim To Provide A Broad Range Of tools For a Speaker domain or tast A Module is A file containing Python Definition And Statements It Can Include Functions Classes and Variables As well As Well As Runnable Code the Purpose of A modele Is to Organize Code Into Manageable Section And Allow You to Reuse Code Across Multiple Projects • What Is Rip  Rip Is A Package Manager For Python Package Or Modules if You Like • What Is a Package ? A package Contains All the Files You need For A Module. Modules Are python Code Libraries You Can include in your projects. • Types Of Modules  Wh Have B Types Of Modules  Predefine Module :- Pre-installe...

• What Is DBMS DBMS Stand For Database Management System It's Is Software That allow you To Create Stare Mange And Respect Data From A Database  DBMS its A Tools That Helth User Insert with Database Easily and Security  * key  function DBMS  Data Storage :- Save Data insector (tools) Data Retriebal :- allow Quick And Easy Access To Data using queries (Commends ) Data manlunpetion :- insert update And Delete Data Data Security :- Provide User Access Control And protection  backup and Recovery :- Automatic Handles Dara Recovery After feil  Data incert :- Maintanence according and consistent to data •  Advantage Of DBMS Data Redundancy Control :- Avoids Duplication by Centralizing data. Data Consistency :- Change made in one place are reflected everywhere. Data Security :- provides user access Control and password protection. Easy Dara Acces :- SQL And Other Query Tools Help Retrieve Data Efficiently . Backup And Recovery :- Automatic Recovery Fea...

  • What is Data    Data is a collection of row facts , figures or symbols that one their own have no meaning until they are processed or organized  • Examples of data  1.  A number.85 2. A number: "blue" 3. A word : 17/06/2025 4. A Name : "Rahul" By themselves, these don't tell you much but when organized  "Rahul second 85 marks in science on 17/06/2025." > This becomes information  • What is Database   A Database is an Organized Collection Of  Pleated Data That is Stored And Managed In A Structured Way So It Can Be Easily Access Managed And Update  •  What is File System  A file System Is A method or Structure used by an operation System To store Organize , Retrieve And Manage Data On Storage Devices Like Hard Drives SSDs ,USDs, etc. A File System Helps your Computer Know where Your File Are Saved How to Access Them And How to Organize Them In Folders Directories.  Examples Of file system  -FAT32 (Older...