Database Internals

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ืžื™ื“ืข ืขืœ ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื•

๐Ÿ“˜ ืคื ื™ืžื™ื•ืช ืžืกื“ ื ืชื•ื ื™ื - (ืžื”ื“ื•ืจืช 2025โ€“2026)

๐Ÿ“š Database Internals (ืžื”ื“ื•ืจืช 2025โ€“2026) ื”ื•ื ืžืฉืื‘ ืžื•ื‘ื ื”, ืืงื“ืžื™ ื•ืžื‘ื•ืกืก ืกื™ืœื‘ื•ืก ืฉื ื•ืฆืจ ืขื‘ื•ืจ BS/CS, BS/IT, ืกื˜ื•ื“ื ื˜ื™ื ืœื”ื ื“ืกืช ืชื•ื›ื ื” ื•ืžื”ื ื“ืกื™ ื ืชื•ื ื™ื ืฉื•ืืคื™ื. ืืคืœื™ืงืฆื™ื” ื–ื• ืžืกืคืงืช ื”ืขืจื•ืช ืžืงื™ืคื•ืช, MCQs ื•ื—ื™ื“ื•ื ื™ื ืœืชืžื™ื›ื” ื‘ืœืžื™ื“ื” ื•ื”ื‘ื ื” ืžืขืฉื™ืช ืฉืœ ืžืขืจื›ื•ืช ืžืกื“ ื ืชื•ื ื™ื ืžื•ื“ืจื ื™ื•ืช. ืขื ืคืจื™ืกื” ื‘ืจื•ืจื” ื•ื›ื™ืกื•ื™ ืžืคื•ืจื˜, ื–ื” ืขื•ื–ืจ ืœืœื•ืžื“ื™ื ืœืฉืœื•ื˜ ื‘ืžื ื•ืขื™ ืื—ืกื•ืŸ, ืžืขืจื›ื•ืช ืžื‘ื•ื–ืจื•ืช, ืขืกืงืื•ืช, ืฉื›ืคื•ืœ, ื—ืœื•ืงื” ืœืžื—ื™ืฆื•ืช ื•ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ื‘ื™ืฆื•ืขื™ื ื‘ื‘ื™ื˜ื—ื•ืŸ.

ืžื”ื“ื•ืจื” ื–ื• ืžื›ืกื” ื ื•ืฉืื™ื ื‘ืกื™ืกื™ื™ื ื•ืžืชืงื“ืžื™ื ืœืจื‘ื•ืช ืžื ื•ืขื™ ืื—ืกื•ืŸ, ืžื‘ื ื™ ื ืชื•ื ื™ื ืœืื—ืกื•ืŸ, ืขื™ื‘ื•ื“ ืขืกืงืื•ืช, ื™ืกื•ื“ื•ืช ืžืขืจื›ื•ืช ืžื‘ื•ื–ืจื•ืช, ืฉื›ืคื•ืœ, ื—ืœื•ืงื” ื•ืคื™ืฆื•ืœ, ืขืงื‘ื™ื•ืช ื•ืงื•ื ืฆื ื–ื•ืก, ื‘ื™ืฆื•ืข ืฉืื™ืœืชื•ืช ืžื‘ื•ื–ืจืช ื•ื‘ื™ืฆื•ืขื™ ืžืขืจื›ืช ืื—ืกื•ืŸ. ืžืขื•ืฆื‘ ืกื‘ื™ื‘ ืคื•ืจืžื˜ ืกื™ืœื‘ื•ืก, ื”ื•ื ืžืกืคืง ืžืกืœื•ืœ ืœืžื™ื“ื” ืฆืขื“ ืื—ืจ ืฆืขื“ ื”ืžื‘ื˜ื™ื— ื‘ืกื™ืก ื—ื–ืง ื”ืŸ ืœืœื™ืžื•ื“ ืืงื“ืžื™ ื•ื”ืŸ ืœื”ืชืคืชื—ื•ืช ืžืงืฆื•ืขื™ืช.

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๐Ÿ“‚ ืคืจืงื™ื ื•ื ื•ืฉืื™ื

๐Ÿ”น ืคืจืง 1: ืžื ื•ืขื™ ืื—ืกื•ืŸ
- ืžื‘ื ื” ื”ืขืžื•ื“
- B-Trees
- ืขืฆื™ ืžื™ื–ื•ื’ ืžื•ื‘ื ื™ื ื‘ื™ื•ืžืŸ (ืขืฆื™ LSM)
- ื—ื™ืœื•ืคื™ ืžื ื•ืข ืื—ืกื•ืŸ

๐Ÿ”น ืคืจืง 2: ืžื‘ื ื™ ื ืชื•ื ื™ื ืœืื—ืกื•ืŸ
- ืื™ื ื“ืงืกื™ื
- ื”ืืฉื™ื ื’
- ืžืกื ื ื™ ืคืจื™ื—ื”
- ืืจื’ื•ืŸ ื ืชื•ื ื™ื ืขืœ ื“ื™ืกืง

๐Ÿ”น ืคืจืง 3: ืขื™ื‘ื•ื“ ืขืกืงืื•ืช
- ืžืืคื™ื™ื ื™ ื—ื•ืžืฆื”
- ื‘ืงืจืช ืžืงื‘ื™ืœื•ืช
- ื ืขื™ืœื” ื•ืชืคืกื™ื
- MVCC (ื‘ืงืจืช ืžืงื‘ื™ืœื™ื•ืช ืžืจื•ื‘ืช ื’ืจืกืื•ืช)

๐Ÿ”น ืคืจืง 4: ื™ืกื•ื“ื•ืช ืžืขืจื›ื•ืช ืžื‘ื•ื–ืจื•ืช
- ืขืกืงืื•ืช ืžื‘ื•ื–ืจื•ืช
- ืฉื›ืคื•ืœ
- ืžื•ื“ืœื™ื ืฉืœ ืขืงื‘ื™ื•ืช
- ื—ืœื•ืงื” ืœืžื—ื™ืฆื•ืช
- ืืœื’ื•ืจื™ืชืžื™ื ืฉืœ ืงื•ื ืฆื ื–ื•ืก

๐Ÿ”น ืคืจืง 5: ืขืกืงืื•ืช ืžื‘ื•ื–ืจื•ืช
- ื”ืชื—ื™ื™ื‘ื•ืช ื“ื•-ืฉืœื‘ื™ืช
- ื”ืชื—ื™ื™ื‘ื•ืช ืชืœืช ืคืื–ื™ืช
- ื”ื–ืžื ื” ื’ืœื•ื‘ืœื™ืช
- ืกื•ื‘ืœื ื•ืช ืœืชืงืœื•ืช

๐Ÿ”น ืคืจืง 6: ืฉื›ืคื•ืœ ื ืชื•ื ื™ื
- ืฉื›ืคื•ืœ ืžื ื”ื™ื’-ืขื•ืงื‘
- ืฉื›ืคื•ืœ ืงื•ื•ืจื•ื
- ื™ื™ืฉื•ื‘ ืกื›ืกื•ื›ื™ื

๐Ÿ”น ืคืจืง 7: ื—ืœื•ืงื” ื•ื—ืœื•ืงื”
- ืืกื˜ืจื˜ื’ื™ื•ืช ื—ืœื•ืงื”
- ืื™ื–ื•ืŸ ืžื—ื“ืฉ
- Hashing ืขืงื‘ื™
- ื”ืฉืคืขื” ืขืœ ื”ื‘ื™ืฆื•ืขื™ื

๐Ÿ”น ืคืจืง 8: ืขืงื‘ื™ื•ืช ื•ื”ืกื›ืžื”
- ืžืฉืคื˜ CAP
- ื™ื›ื•ืœืช ืœื™ื ื™ืืจื™ื–ืฆื™ื”
- ืคืืงืกื•ืก
- ืืœื’ื•ืจื™ืชื ืงื•ื ืฆื ื–ื•ืก ืจืคืกื•ื“ื”

๐Ÿ”น ืคืจืง 9: ื‘ื™ืฆื•ืข ืฉืื™ืœืชื•ืช ืžื‘ื•ื–ืจืช
- ืชื›ื ื•ืŸ ืฉืื™ืœืชื•ืช
- ืžืฉืœื•ื— ื ืชื•ื ื™ื
- ื‘ื™ืฆื•ืข ืžืงื‘ื™ืœ
- ืกื•ื‘ืœื ื•ืช ืชืงืœื•ืช ื‘ืฉืื™ืœืชื•ืช

๐Ÿ”น ืคืจืง 10: ื‘ื™ืฆื•ืขื™ ืžืขืจื›ืช ืื—ืกื•ืŸ
- ืฉืžื™ืจื” ื‘ืžื˜ืžื•ืŸ
- ื“ื—ื™ืกื”
- ื›ืชื•ื‘ ื”ื’ื‘ืจื”
- ืฉื™ืงื•ืœื™ ื—ื•ืžืจืช ืื—ืกื•ืŸ

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๐ŸŒŸ ืœืžื” ืœื‘ื—ื•ืจ ื‘ืืคืœื™ืงืฆื™ื” ื”ื–ื•?
- ืžื›ืกื” ืืช ื”ืกื™ืœื‘ื•ืก ื”ืžืœื ืฉืœ ืžืกื“ ื”ื ืชื•ื ื™ื ื”ืคื ื™ืžื™ื™ื ื‘ืคื•ืจืžื˜ ืืงื“ืžื™ ืžื•ื‘ื ื”.
- ื›ื•ืœืœ MCQs ื•ื—ื™ื“ื•ื ื™ื ืœืชืจื’ื•ืœ ื™ืกื•ื“ื™ ื•ื”ืขืจื›ื” ืขืฆืžื™ืช.
- ืžืกืคืง ื”ืขืจื•ืช ื‘ืจื•ืจื•ืช ืœืขื“ื›ื•ืŸ ืžื”ื™ืจ ื•ื”ื‘ื ื” ืžื•ืฉื’ื™ืช ืขืžื•ืงื”.
- ืชื•ืžืš ื‘ืคืจื•ื™ืงื˜ื™ื, ื‘ืงื•ืจืกื™ื ื•ื‘ืœืžื™ื“ื” ืžืขืฉื™ืช ืขื ืจืœื•ื•ื ื˜ื™ื•ืช ื‘ืขื•ืœื ื”ืืžื™ืชื™.
- ื‘ื•ื ื” ื™ืกื•ื“ื•ืช ื—ื–ืงื™ื ื‘ืžื ื•ืขื™ ืื—ืกื•ืŸ, ืžืขืจื›ื•ืช ืžื‘ื•ื–ืจื•ืช ื•ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ื‘ื™ืฆื•ืขื™ื.

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โœ ืืคืœื™ืงืฆื™ื” ื–ื• ื‘ื”ืฉืจืืช ื”ืžื—ื‘ืจื™ื:
ืžื™ื™ืงืœ ืกื˜ื•ื ื‘ืจืงืจ, ื’'ื™ื ื’ืจื™ื™, ืคื˜ ื”ืœื ื“, ืœืกืœื™ ืœืžืคื•ืจื˜, ืื ื“ืจื• ืก. ื˜ื ื ื‘ืื•ื, ืืœื›ืก ืคื˜ืจื•ื‘

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๐Ÿ“ฅ ื”ื•ืจื“ ืขื›ืฉื™ื•!
ื”ืฉื’ ืืช ืžืขืจื›ื•ืช ื”ืžื™ื“ืข ื”ืคื ื™ืžื™ื•ืช ืฉืœืš (ืžื”ื“ื•ืจืช 2025โ€“2026) ื”ื™ื•ื ื•ื”ืชื—ืœ ืœืฉืœื•ื˜ ื‘ืžื ื•ืขื™ ืื—ืกื•ืŸ, ืžืขืจื›ื•ืช ืžื‘ื•ื–ืจื•ืช ื•ืžืกื“ื™ ื ืชื•ื ื™ื ื‘ืขืœื™ ื‘ื™ืฆื•ืขื™ื ื’ื‘ื•ื”ื™ื ื‘ื‘ื™ื˜ื—ื•ืŸ!
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
15 ื‘ื™ื•ืœื™ 2026

ืื‘ื˜ื—ืช ื ืชื•ื ื™ื

ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื‘ื˜ื™ื—ื•ืช ืฆืจื™ืš ืงื•ื“ื ื›ืœ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžืคืชื—ื™ื ืื•ืกืคื™ื ื•ืžืฉืชืคื™ื ืืช ื”ื ืชื•ื ื™ื ืฉืœืš. ื ื•ื”ืœื™ ืคืจื˜ื™ื•ืช ื”ื ืชื•ื ื™ื ื•ืื‘ื˜ื—ืช ื”ื ืชื•ื ื™ื ืขืฉื•ื™ื™ื ืœื”ืฉืชื ื•ืช ื‘ื”ืชืื ืœืฉื™ืžื•ืฉ, ืœืื–ื•ืจ ื•ืœื’ื™ืœ ื”ืžืฉืชืžืฉ. ื”ืžืคืชื— ืกื™ืคืง ืืช ื”ืžื™ื“ืข ื”ื–ื” ื•ื”ื•ื ืขืฉื•ื™ ืœืขื“ื›ืŸ ืื•ืชื• ืžื“ื™ ืคืขื.
ืœื ืžืชื‘ืฆืข ืฉื™ืชื•ืฃ ื ืชื•ื ื™ื ืขื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื
ื”ื ืชื•ื ื™ื ืžื•ืฆืคื ื™ื ื‘ื–ืžืŸ ื”ื”ืขื‘ืจื”
ืื™ ืืคืฉืจ ืœืžื—ื•ืง ืืช ื”ื ืชื•ื ื™ื

ืžื” ื—ื“ืฉ?

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ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
kamran Ahmed
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Sheer Orah Post Office, Sheer Hafizabad, Pallandri, District Sudhnoti Pallandri AJK, 12010 Pakistan

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