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

ื‘ืจื•ื›ื™ื ื”ื‘ืื™ื ืœืืคืœื™ืงืฆื™ื™ืช ืœืžื™ื“ื” ืžื•ื‘ื ื™ืช ืฉืœ MySQL ืฉื ื•ืขื“ื” ืœืขื–ื•ืจ ืœื›ื ืœื”ื‘ื™ืŸ ืžืกื“ื™ ื ืชื•ื ื™ื ื™ื—ืกื™ื™ื, ืคืงื•ื“ื•ืช SQL, ืขื™ืฆื•ื‘ ืžืกื“ื™ ื ืชื•ื ื™ื, ื ื™ื”ื•ืœ, ืื‘ื˜ื—ื” ื•ื ื™ื”ื•ืœ ื ืชื•ื ื™ื. ื”ื™ื ืžืกืคืงืช ื ืชื™ื‘ ืžืื•ืจื’ืŸ ืœืžืชื—ื™ืœื™ื, ืกื˜ื•ื“ื ื˜ื™ื, ืžืคืชื—ื™ื ื•ืื ืฉื™ IT ื”ืœื•ืžื“ื™ื ืžื•ืฉื’ื™ MySQL ื•ืžืฉื™ืžื•ืช ืžืกื“ื™ ื ืชื•ื ื™ื.

๐Ÿ“ฑ ืžื‘ื ื” ืœืžื™ื“ื” DUAL-HUB
1. ื›ืจื˜ื™ืกื™ื™ืช ืœืžื™ื“ื”
ื’ืœื• ืฉื™ืขื•ืจื™ื ื”ืžื›ืกื™ื ืืช ื™ืกื•ื“ื•ืช ืžืกื“ื™ ื”ื ืชื•ื ื™ื, ืขื™ืฆื•ื‘ ืกื›ืžื•ืช, ืคืขื•ืœื•ืช SQL, ืกื•ื’ื™ ื ืชื•ื ื™ื, ืื‘ื˜ื—ื”, ื˜ืจื ื–ืงืฆื™ื•ืช, ืื™ื ื“ืงืกื™ื, ื‘ื™ืฆื•ืขื™ื, ืชืฆื•ื’ื•ืช, ืคืจื•ืฆื“ื•ืจื•ืช ืžืื•ื—ืกื ื•ืช ื•ืงื™ืฉื•ืจื™ื•ืช ื™ื™ืฉื•ืžื™ื.

2. ื›ืจื˜ื™ืกื™ื™ืช ื›ื™ืฆื“ ืœืขืฉื•ืช
ื’ืฉื• ืœืžื“ืจื™ื›ื™ื ืฉืœื‘ ืื—ืจ ืฉืœื‘ ื”ืžืกื‘ื™ืจื™ื ืชื—ื‘ื™ืจ SQL, ื ื™ื”ื•ืœ ื˜ื‘ืœืื•ืช, ื›ืชื™ื‘ืช ืฉืื™ืœืชื•ืช, ืชืฆื•ืจืช ืฉืจืช, ืชื—ื–ื•ืงื” ื•ืžืฉื™ืžื•ืช ื™ื™ืฉื•ื.

๐Ÿ“š ื ื•ืฉืื™ ืœืžื™ื“ื” ืฉืœ MYSQL
โ€ข ื™ืกื•ื“ื•ืช MySQL
ื”ื‘ื™ื ื• ืžืกื“ื™ ื ืชื•ื ื™ื ื™ื—ืกื™ื™ื, ืชืคืงื™ื“ MySQL, ืžื•ืฉื’ื™ ื”ืชืงื ื”, ื›ืœื™ ืœืงื•ื—, ื—ื™ื‘ื•ืจื™ ืฉืจืช ื•ืžื‘ื ื” ืžืกื“ ื”ื ืชื•ื ื™ื.

โ€ข ืขื™ืฆื•ื‘ ืžืกื“ื™ ื ืชื•ื ื™ื ื•ื˜ื‘ืœืื•ืช
ืœืžื“ื• ื›ื™ืฆื“ ืœื™ืฆื•ืจ ืžืกื“ื™ ื ืชื•ื ื™ื, ืœื”ื’ื“ื™ืจ ื˜ื‘ืœืื•ืช, ืœื‘ื—ื•ืจ ืกื•ื’ื™ ื ืชื•ื ื™ื ืžืชืื™ืžื™ื, ืœื ื”ืœ ืขืจื›ื™ NULL ื•ืœื‘ื ื•ืช ืงืฉืจื™ื ื‘ืืžืฆืขื•ืช ืžืคืชื—ื•ืช ืจืืฉื™ื™ื ื•ื–ืจื™ื.

โ€ข ืคืขื•ืœื•ืช SQL ื•-CRUD
ืœืžื“ ืคืงื•ื“ื•ืช ื”ืžืฉืžืฉื•ืช ืœื”ื•ืกืคืช ืจืฉื•ืžื•ืช, ืื—ื–ื•ืจ ื ืชื•ื ื™ื, ืขื“ื›ื•ืŸ ืžื™ื“ืข ื•ืžื—ื™ืงื” ื‘ื˜ื•ื—ื” ืฉืœ ืฉื•ืจื•ืช ืžื˜ื‘ืœืื•ืช ืžืกื“ ื ืชื•ื ื™ื.

โ€ข ืกื™ื ื•ืŸ ื•ืžื™ื•ืŸ
ืœืžื“ ื›ื™ืฆื“ ืœื”ืฉืชืžืฉ ื‘ืชื ืื™ WHERE, ืื•ืคืจื˜ื•ืจื™ื ืœื•ื’ื™ื™ื, ื”ืชืืžืช ืชื‘ื ื™ื•ืช, ื˜ื•ื•ื—ื™ื, DISTINCT ื•-ORDER BY ื›ื“ื™ ืœืฉืœื•ื˜ ื‘ืชื•ืฆืื•ืช.

โ€ข ืฆื™ืจื•ืคื™ื ื•ืงืฉืจื™ื
ื”ื‘ืŸ ื›ื™ืฆื“ ื˜ื‘ืœืื•ืช ืคื•ืขืœื•ืช ื™ื—ื“ ื‘ืืžืฆืขื•ืช INNER JOIN, LEFT JOIN, RIGHT JOIN ื•ืžื‘ื ื™ื ื™ื—ืกื™ื™ื ื ืคื•ืฆื™ื.

โ€ข ืฆื‘ื™ืจื” ื•ืงื™ื‘ื•ืฅ
ื—ืงื•ืจ ืคื•ื ืงืฆื™ื•ืช ืฆื‘ื™ืจื”, ืชื•ืฆืื•ืช ืžืงื•ื‘ืฆื•ืช, ืกื™ื›ื•ืžื™ื, GROUP BY ื•ืกื™ื ื•ืŸ ื ืชื•ื ื™ื ืžืงื•ื‘ืฆื™ื.

โ€ข ื˜ืจื ื–ืงืฆื™ื•ืช ื•ืฉืœืžื•ืช
ืœืžื“ ืžื•ืฉื’ื™ ื˜ืจื ื–ืงืฆื™ื•ืช, ืขืงืจื•ื ื•ืช ACID, ืคืขื•ืœื•ืช commit ื•-rollback, ืื™ืœื•ืฆื™ื ื•ืฉื™ื˜ื•ืช ื”ืžืฉืžืฉื•ืช ืœื”ื’ื ื” ืขืœ ืขืงื‘ื™ื•ืช ื ืชื•ื ื™ื.

โ€ข ืื™ื ื“ืงืกื™ื ื•ื‘ื™ืฆื•ืขื™ื
ืœืžื“ ื›ื™ืฆื“ ืื™ื ื“ืงืกื™ื ืชื•ืžื›ื™ื ื‘ืื—ื–ื•ืจ ื ืชื•ื ื™ื ืžื”ื™ืจ ื™ื•ืชืจ, ื›ื™ืฆื“ ืขื™ืฆื•ื‘ ืฉืื™ืœืชื•ืช ืžืฉืคื™ืข ืขืœ ื‘ื™ืฆื•ืขื™ื ื•ื›ื™ืฆื“ ื ื™ืชืŸ ืœืžื˜ื‘ ืžื‘ื ื™ ืžืกื“ ื ืชื•ื ื™ื.

โ€ข ืชืฆื•ื’ื•ืช ื•ืœื•ื’ื™ืงื” ืžืื•ื—ืกื ืช
ื”ื‘ืŸ ืชืฆื•ื’ื•ืช, ืคืจื•ืฆื“ื•ืจื•ืช ืžืื•ื—ืกื ื•ืช, ืœื•ื’ื™ืงืช SQL ืœืฉื™ืžื•ืฉ ื—ื•ื–ืจ ื•ื“ืจื›ื™ื ืœืคืฉื˜ ืคืขื•ืœื•ืช ืžื•ืจื›ื‘ื•ืช ืฉืœ ืžืกื“ ื ืชื•ื ื™ื.

โ€ข ื ื™ื”ื•ืœ ื•ืื‘ื˜ื—ื”
ืœืžื“ ื ื™ื”ื•ืœ ืžืฉืชืžืฉื™ื, ื”ืจืฉืื•ืช, ื”ืขื ืงืช ื•ื‘ื™ื˜ื•ืœ ืคืงื•ื“ื•ืช, ืžื•ืฉื’ื™ ื’ื™ื‘ื•ื™ ื•ืฉื—ื–ื•ืจ, ื™ื•ืžื ื™ ืจื™ืฉื•ื, ื”ื’ื“ืจื•ืช ืฉืจืช ื•ืฉื™ื˜ื•ืช ืื‘ื˜ื—ื”.

๐Ÿ’ป ืžื“ืจื™ื›ื™ื ืžืขืฉื™ื™ื
ื”ืžื“ืจื™ื›ื™ื ื”ืžืขืฉื™ื™ื ื›ื•ืœืœื™ื:
โ€ข ื”ืชืงื ื” ื•ืงื‘ื™ืขืช ืชืฆื•ืจื” ืฉืœ MySQL
โ€ข ื”ืชื—ื‘ืจื•ืช ื“ืจืš ืฉื•ืจืช ืคืงื•ื“ื” ืื• ื›ืœื™ ืœืงื•ื—
โ€ข ื™ืฆื™ืจืช ืžืกื“ื™ ื ืชื•ื ื™ื ื•ื˜ื‘ืœืื•ืช
โ€ข ืฉื™ื ื•ื™ ื•ื”ืกืจื” ืฉืœ ื˜ื‘ืœืื•ืช
โ€ข ื‘ื—ื™ืจืช ืกื•ื’ื™ ื ืชื•ื ื™ื ืžืชืื™ืžื™ื ืœืขืžื•ื“ื•ืช
โ€ข ื”ื•ืกืคืช ืžืคืชื—ื•ืช ืจืืฉื™ื™ื ื•ื–ืจื™ื
โ€ข ื”ื•ืกืคื”, ืขื“ื›ื•ืŸ ื•ืžื—ื™ืงื” ืฉืœ ืจืฉื•ืžื•ืช
โ€ข ื›ืชื™ื‘ืช ืฉืื™ืœืชื•ืช ื•ืชื ืื™ SELECT
โ€ข ืžื™ื•ืŸ ื•ืงื™ื‘ื•ืฅ ืชื•ืฆืื•ืช
โ€ข ืฉื™ืžื•ืฉ ื‘ืคื•ื ืงืฆื™ื•ืช ืฆื‘ื™ืจื”
โ€ข ืฉื™ืœื•ื‘ ื˜ื‘ืœืื•ืช ืขื ืฆื™ืจื•ืคื™ื
โ€ข ื›ืชื™ื‘ืช ืฉืื™ืœืชื•ืช ืžืฉื ื” ื•ืฉืื™ืœืชื•ืช ืžืงื•ื ื ื•ืช
โ€ข ื™ืฆื™ืจื” ื•ืฉื™ืžื•ืฉ ื‘ืชืฆื•ื’ื•ืช
โ€ข ื ื™ื”ื•ืœ ืžืฉืชืžืฉื™ื ื•ื”ืจืฉืื•ืช
โ€ข ืชื›ื ื•ืŸ ื’ื™ื‘ื•ื™ื™ื ื•ืฉื—ื–ื•ืจ
โ€ข ืงืจื™ืืช ื™ื•ืžื ื™ ืจื™ืฉื•ื ื•ื‘ืขื™ื•ืช ื ืคื•ืฆื•ืช
โ€ข ืฉื™ืคื•ืจ ื‘ื™ืฆื•ืขื™ ืžืกื“ ื”ื ืชื•ื ื™ื
โ€ข ื—ื™ื‘ื•ืจ MySQL ืขื ื™ื™ืฉื•ืžื™ื

๐ŸŽฏ ืžื™ ื™ื›ื•ืœ ืœื”ืฉืชืžืฉ ื‘ืืคืœื™ืงืฆื™ื” ื–ื•?
ืžืฉืชืžืฉื™ื ืžืชืื™ืžื™ื ื›ื•ืœืœื™ื ืกื˜ื•ื“ื ื˜ื™ื, ืžืชื—ื™ืœื™ื, ืžืชื›ื ืชื™ื ืขืฆืžืื™ื™ื, ืžื ื”ืœื™ ืžืกื“ื™ ื ืชื•ื ื™ื ืžืชื—ื™ืœื™ื, ืœื•ืžื“ื™ ื ืชื•ื ื™ื, ืžืคืชื—ื™ ืืชืจื™ื, ืžืคืชื—ื™ backend, ืžืคืชื—ื™ ืชื•ื›ื ื” ื•ืื ืฉื™ IT.

๐Ÿ’ก ื™ืชืจื•ื ื•ืช ืœืžื™ื“ื”
ื”ืืคืœื™ืงืฆื™ื” ืžืฆื™ื’ื” ื ื•ืฉืื™ MySQL ื‘ืคื•ืจืžื˜ ื‘ืจื•ืจ ื•ืžืื•ืจื’ืŸ. ื”ืฉื™ืขื•ืจื™ื ืชื•ืžื›ื™ื ื‘ืœืžื™ื“ื” ื”ื“ืจื’ืชื™ืช, ื—ื–ืจื” ื•ื”ืชื™ื™ื—ืกื•ืช, ื‘ืขื•ื“ ืžื“ืจื™ื›ื™ื ืžืขืฉื™ื™ื ืขื•ื–ืจื™ื ืœื—ื‘ืจ ื‘ื™ืŸ ืชื™ืื•ืจื™ื™ืช ืžืกื“ื™ ื ืชื•ื ื™ื ืœืžืฉื™ืžื•ืช ื™ื™ืฉื•ื.

ื ื™ื•ื•ื˜ ืžื•ื‘ื ื” ืžืงืœ ืขืœ ื—ืงืจ ื ื•ืฉืื™ื, ื—ื–ืจื” ืขืœ ืžื•ืฉื’ื™ SQL, ืกืงื™ืจืช ืชื—ื‘ื™ืจ ื•ืœื™ืžื•ื“ ื‘ืงืฆื‘ ื ื•ื—. ื”ืชื•ื›ืŸ ื™ื›ื•ืœ ืœืชืžื•ืš ื‘ืœืžื™ื“ื” ืืงื“ืžื™ืช, ื”ื›ื ื” ืœืจืื™ื•ื ื•ืช, ืชื›ื ื•ืŸ ืคืจื•ื™ืงื˜ื™ื, ื—ื–ืจื” ื˜ื›ื ื™ืช ื•ืคื™ืชื•ื— ืžื™ื•ืžื ื•ื™ื•ืช ืžืกื“ื™ ื ืชื•ื ื™ื.

๐Ÿ”„ ืขื“ื›ื•ื ื™ื ื—ื™ื ื•ื›ื™ื™ื ืฉื•ื˜ืคื™ื
ื”ืืคืœื™ืงืฆื™ื” ืžืงื‘ืœืช ืขื“ื›ื•ื ื™ื ื›ืœืœื™ื™ื ื”ืงืฉื•ืจื™ื ืœื—ื•ืžืจื™ ืœืžื™ื“ื” ืฉืœ MySQL, ืฉื™ืคื•ืจื™ ืชื•ื›ืŸ SQL, ืืจื’ื•ืŸ ื ื•ืฉืื™ื, ืฉื™ืคื•ืจื™ ืฉื™ืžื•ืฉื™ื•ืช, ืื•ืคื˜ื™ืžื™ื–ืฆื™ื” ืฉืœ ื‘ื™ืฆื•ืขื™ื, ืชื™ืงื•ื ื™ ื‘ืื’ื™ื ื•ื™ืฆื™ื‘ื•ืช. ืขื“ื›ื•ื ื™ื ืขืฉื•ื™ื™ื ื’ื ืœืฉืคืจ ื”ื“ืจื›ื•ืช ืงื™ื™ืžื•ืช ื•ืœืฉืคืจ ืืช ื—ื•ื•ื™ื™ืช ื”ืœืžื™ื“ื”.
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
26 ื‘ืื•ืงืณ 2025

ืื‘ื˜ื—ื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.
ื”ืืคืœื™ืงืฆื™ื” ื”ื–ืืช ืขืฉื•ื™ื” ืœืฉืชืฃ ืืช ืกื•ื’ื™ ื”ื ืชื•ื ื™ื ื”ืืœื” ืขื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื
ืžื–ื”ื” ื”ืžื›ืฉื™ืจ ืื• ืžื–ื”ื™ื ืื—ืจื™ื
ื”ื ืชื•ื ื™ื ืžื•ืฆืคื ื™ื ื‘ื–ืžืŸ ื”ื”ืขื‘ืจื”
ืื™ ืืคืฉืจ ืœืžื—ื•ืง ืืช ื”ื ืชื•ื ื™ื

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ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
RAJIL THANKARAJU
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