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Backup (database)

Database Backup ka matlab hai database ke data, schema, aur configuration ki ek consistent copy…

Overview
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Backup (database) — Quick Facts

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Property: Detail

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Full Name: Database Backup (DB Backup)

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Category: Database Administration · Data…

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Core Purpose: Consistent, recoverable copy of…

Topic 1
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Infobox

📊 | Property | Detail | |---|---| | Full Name | Database Backup (DB Backup) | | Category |…
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Database Backup vs File Backup

💾 Database backup generic file backup se fundamentally different hai: | Aspect | File…
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Types of Database Backup

🗄️ 1. Full Backup Poore database ka complete backup — saari tables, indexes, stored…
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Backup Types Comparison

📈 | Feature | Full | Incremental | Differential | Transaction Log | Logical | Physical |…
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Database Backup Process Diagram

🔍 `mermaid flowchart TD A["⏰ Backup Schedule Triggered"] --> B{"Backup Type?"} B -- Full…
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Logical vs Physical Backup

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Kya hota hai: Database ka data SQL…

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Tools: pg_dump (PostgreSQL),…

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Pros:

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Human-readable output

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Point-in-Time Recovery (PITR)

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Monday 2 AM: Full base backup liya

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Monday-Friday: WAL segments…

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Thursday 3:15 PM: Developer ne…

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Recovery: Monday ka base backup…

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Database-Specific Tools

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pg_dump — Logical backup (SQL /…

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pg_dumpall — All databases +…

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pg_basebackup — Physical backup.…

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WAL Archiving — Continuous…

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Consistency aur Isolation

📊 Hot Backup (Online) Database running hai, users transactions kar rahe hain, aur backup…
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Anti-Patterns

💾 1. File Copy of Running Database cp -r /var/lib/postgresql/data /backup/ — running…
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Best Practices

🗄️ 1. Native Tools Use Karo — Har database engine ke apne backup tools hain. Generic file…
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Real-World Use Cases

📈 E-Commerce Platform Production PostgreSQL database — 500 GB. Daily pg_basebackup (full…
Topic 13
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Interview Perspective

🔍 Q1: Database backup aur regular file backup me kya difference hai? Database backup…
Comparison
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Database Backup vs File Backup

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Target: Files aur folders

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Consistency: File system level (may…

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Tools: rsync, tar, robocopy

Comparison
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Backup Types Comparison

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Speed: Slow

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Storage: Maximum

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Restore Speed: Fast (1 set)

Diagram
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Visual Flow

📊 Diagram visualization — details in narration
Related Topics

See Also

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Backup

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Disaster Recovery

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Replication

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Transaction Log

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PostgreSQL

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MySQL

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 1

Backup (database) ka sabse sahi definition kya hai?

Quick Quiz
🧠 QUIZ TIME

Quiz — Question 2

Backup (database) ka 'Full Name' kya hai?

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Backup (database) Complete!

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