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Row (database)

Row database engineering me ek table ki single horizontal entry hai jo related data values ka ek…

Overview

Row (database) — Quick Facts

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Property: Detail

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Also Known As: Record, Tuple, Entry, Data Row

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Category: Database Engineering, Data…

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SQL Standard Name: Row (ISO/IEC 9075 — SQL:2016)

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Infobox

📊 | Property | Detail | |---|---| | Also Known As | Record, Tuple, Entry, Data Row | |…

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Mermaid Diagram: Row Storage Inside a Database Page

💾 `mermaid flowchart TD subgraph PAGE["Data Page (8 KB / 16 KB)"] direction TB PH["Page…

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1. Taaruf — Database Row ka Matlab

🗄️ Database me row woh cheez hai jo actual business data carry karti hai. Columns define…

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2. Row ka Formal Definition

📈 SQL Standard (ISO/IEC 9075) SQL standard ke mutabiq, ek row ek ordered sequence of values…

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3. Row Structure Internals

🔍 Database engine row ko disk par ek structured binary format me store karta hai. Yeh…

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4. Row Formats in Major Databases

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5. Row Versioning aur MVCC

🧮 MVCC (Multi-Version Concurrency Control) ka core concept hai: row ki multiple versions…

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6. Physical Row vs Logical Row

🌐 Yeh distinction samajhna critical hai — especially performance tuning aur debugging ke…

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7. Row Overflow, Chaining, aur Migration

📊 Jab ek row ek single page/block me fit nahi hoti, database engine special mechanisms use…

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8. Row Compression Techniques

💾 Row compression disk space aur I/O reduce karta hai — lekin CPU overhead badh jaata hai.…

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9. Row Identifiers — ROWID, ctid, RID

🗄️ Har database engine internally rows ko ek physical identifier se track karti hai — yeh…

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10. Row-Oriented vs Column-Oriented Storage

📈 Yeh topic "Row" article me covered hai, lekin database context me brief recap useful hai.…

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11. Row in Daily Engineering Workflows

🔍 Row concept sirf theory nahi — har din ka engineering kaam rows ke around ghoomta hai.…

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12. Common Mistakes aur Pitfalls

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Glossary

🧮 | # | Term | Definition | |---|---|---| | 1 | Row | Database table me ek single…

Comparison

6. Physical Row vs Logical Row

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Definition: User ke nazar me: PK +…

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Identity: Primary Key

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Stability: Permanent (until DELETE)

Comparison

10. Row-Oriented vs Column-Oriented Storage

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Storage: Ek row ke sab columns ek saath

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OLTP suitability: Excellent (full row…

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OLAP suitability: Poor (read…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

Row (database) ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Row (database) ka 'Also Known As' kya hai?

Complete! 🎉

Row (database) Complete!

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