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Normalization & Finalization
Md Ehsanul Haque edited this page Aug 2, 2023
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14 revisions
![](https://private-user-images.githubusercontent.com/133691757/257957405-aa07baa3-9065-4ba2-b95b-f21ccd7ca338.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU3NDA1LWFhMDdiYWEzLTkwNjUtNGJhMi1iOTViLWYyMWNjZDdjYTMzOC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1jZjdjNDIzMWI5ZDdiOTEzODBlYjgwMWI2ZmM2MGFlN2IzMjk4YzdiMjg5OTZlYzMyYzRjOWExM2YzMTBiZGQ1JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9._rNM7MVilCk8Gne6UPT5EXSx7xXDQId1D_8fc-dSxV8)
![](https://private-user-images.githubusercontent.com/133691757/257957158-f20997de-ce27-4619-8d53-d885e81a9121.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU3MTU4LWYyMDk5N2RlLWNlMjctNDYxOS04ZDUzLWQ4ODVlODFhOTEyMS5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1jNTgyNDg1OWRkMmY3MDdjNGExZjFjNmQwZjIxZDA5YmFkNTc5OTAxOGQ3NjU4MzhmNzc2ZjZkYzhkZGU1ZTAzJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.VD5Jk2YYmuIO2N7nErdxD9aVGxCb-joowack7_MFORQ)
- Unnormalized Form: P_ID(PK), P_name, P_duration, P_type, D_ID(PK), D_name, D_head
- 1NF: P_ID(PK), P_name, P_duration, P_type, D_ID(PK), D_name, D_head
-
2NF:
- P_ID(PK), P_name, P_duration, P_type
- D_ID(PK), D_name, D_head
- P_ID(PK), D_ID(FK)
- 3NF: Same as 2NF
- Tables:
- P_ID(PK), P_name, P_duration, P_type
- D_ID(PK), D_name, D_head
- P_ID(PK), D_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956696-f454bcf0-344b-469e-a887-845251330f36.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2Njk2LWY0NTRiY2YwLTM0NGItNDY5ZS1hODg3LTg0NTI1MTMzMGYzNi5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT03ZjQyODdiNjNlOWZlMmJkMjYzOWEzODU5ZmEwMGE0YmE2ZTgzNGMwMDA1OWZkYjA1NjQyODA0NjdiNDM0ZTZjJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.YluFp33_MwWHHlEYU7Ld5N--oK8w0AOzXUCrtparMT8)
- Unnormalized Form: D_ID(PK), D_name, D_head, E_ID(PK), E_Date, E_type, E_roomno, Mark
- 1NF: D_ID(PK), D_name, D_head, E_ID(PK), E_Date, E_type, E_roomno, Mark
-
2NF:
- D_ID(PK), D_name, D_head, E_ID(FK)
- E_ID(PK), E_Date, E_type, E_roomno, Mark
- 3NF: Same as 2NF
- Tables:
- D_ID(PK), D_name, D_head, E_ID(FK)
- E_ID(PK), E_Date, E_type, E_roomno, Mark
![](https://private-user-images.githubusercontent.com/133691757/257956738-43aeee54-af79-44c7-b50c-3898f5f12dc7.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2NzM4LTQzYWVlZTU0LWFmNzktNDRjNy1iNTBjLTM4OThmNWYxMmRjNy5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1kMTYwYTYzMzYxZmZjYzc2YmI4OTFiOGFhMGY1MDQxMjNhY2Y4ZWE4ODlhOGZjOTYyYjg3ZDQ5NGExZWY3ZWY3JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.laIjgzYR6CTN3_z_UqcmXxgzuXfdQYOPa-b_O4C3AJ4)
- Unnormalized Form: S_ID(PK), S_name, S_mail, S_contact, EnrollYear, E_ID(PK), E_Date, E_type, E_roomno, Mark
- 1NF: S_ID(PK), S_name, S_mail, S_contact, EnrollYear, E_ID(PK), E_Date, E_type, E_roomno, Mark
-
2NF:
- S_ID(PK), S_name, S_mail, S_contact, EnrollYear
- E_ID(PK), E_Date, E_type, E_roomno, Mark
- S_ID(PK), E_ID(FK)
- 3NF: Same as 2NF
- Tables:
- S_ID(PK), S_name, S_mail, S_contact, EnrollYear
- E_ID(PK), E_Date, E_type, E_roomno, Mark
- S_ID(PK), E_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956126-40f380c1-a0a0-4026-bdaf-d988add6a5a5.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2MTI2LTQwZjM4MGMxLWEwYTAtNDAyNi1iZGFmLWQ5ODhhZGQ2YTVhNS5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT0yNTc4MDhmZDhjNDQzODkzY2U4NzFkNmRlNThlMGNmZWM3ODcwMGE0NDJlMTFiMWU3ZDU5NDkxYTU0ZTY3MjkyJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.6etr0Pzqeh9CtE1ZZxpVUhsU-fDUxjEOeTbM1w330TU)
- Unnormalized Form: F_ID(PK), F_name, F_contact, F_mail, S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- 1NF: F_ID(PK), F_name, F_contact, F_mail, S_ID(PK), S_name, S_contact, S_mail, EnrollYear
-
2NF:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear, F_ID(FK)
- F_ID(PK), F_name, F_contact, F_mail
- 3NF: Same as 2NF
- Tables:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear, F_ID(FK)
- F_ID(PK), F_name, F_contact, F_mail
![](https://private-user-images.githubusercontent.com/133691757/257957080-f46373b5-c45a-4e96-a201-5cd99ab7b675.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU3MDgwLWY0NjM3M2I1LWM0NWEtNGU5Ni1hMjAxLTVjZDk5YWI3YjY3NS5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT04OGEyMzFkM2RkZmJmMjc3YjhkMjQ5N2U0OTkzNjljNzhiOTBkYmY2YTJmMGNjYjA3ZTBiNDE5YmY5MDdiZmY5JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.sEF059FiOFuzySXgJXk1PYEp8hJ05MMdwEgVew6pf2A)
- Unnormalized Form: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, Cl_roomno(PK), Cl_time, Cl_name
- 1NF: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, Cl_roomno(PK), Cl_time, Cl_name
-
2NF:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- Cl_roomno(PK), Cl_time, Cl_name
- S_ID(PK), Cl_roomno(FK)
- 3NF: Same as 2NF
- Tables:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- Cl_roomno(PK), Cl_time, Cl_name
- S_ID(PK), Cl_roomno(FK)
![](https://private-user-images.githubusercontent.com/133691757/257957320-8c272be5-3ed9-4c24-8db2-cd0600cee53e.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU3MzIwLThjMjcyYmU1LTNlZDktNGMyNC04ZGIyLWNkMDYwMGNlZTUzZS5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT00ZWYzMjZhMGVhMDA5Zjg0ZWQwNTBkYzJkZmU1YjcwMDU3MTc4ZTRkYjI2ODQxNDc2OTEwNGE0NmZkMjhkOTFlJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.0WnX17oBoFs5Yg3k_cFLSN8h9pckriz3tSYL6c4BeEo)
- Unnormalized Form: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, P_ID(PK), P_name, P_duration, P_type
- 1NF: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, P_ID(PK), P_name, P_duration, P_type
-
2NF:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- P_ID(PK), P_name, P_duration
- S_ID(PK), P_ID(FK)
- Tables:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- P_ID(PK), P_name, P_duration
- S_ID(PK), P_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956639-5a2f84cc-80cc-4b3d-92bb-7d18f04a4ec0.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2NjM5LTVhMmY4NGNjLTgwY2MtNGIzZC05MmJiLTdkMThmMDRhNGVjMC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1lMTkxOTI1ZmM3M2I5MjY2NTMxYjVkNjUxYTI3Yzk5NDVmODNjYjE4ODNlZDhkM2VmODY1ZmJkNTI0ZmNjMzgxJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.hzYszwQ17LuxiBAlDJsdY10p13v8fAdW_DEak24V7ro)
- Unnormalized Form: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, C_ID(PK), C_name, C_duration, C_credit
- 1NF: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, C_ID(PK), C_name, C_duration, C_credit
-
2NF:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- C_ID(PK), C_name, C_duration, C_credit
- S_ID(PK), C_ID(FK)
- 3NF: Same as 2NF
- Tables:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- C_ID(PK), C_name, C_duration, C_credit
- S_ID(PK), C_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956343-2542a3ae-64a2-4c38-b4c5-6f989d036a3d.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2MzQzLTI1NDJhM2FlLTY0YTItNGMzOC1iNGM1LTZmOTg5ZDAzNmEzZC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1mYzFjZTljNGRlOTdhNTVlZDQ1ZTg4MTkxM2QxZjFlNmU3NmU3MTY2ZDMyOWVhN2E0MWNhOGNjODZkYTBiNjNiJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.ZIPGsLd-v6cceX38z51MbJ0P56nA4-km8MmTEPSctMY)
- Unnormalized Form: F_ID(PK), F_name, F_contact, F_mail, C_ID(PK), C_name, C_duration, C_credit
- 1NF: F_ID(PK), F_name, F_contact, F_mail, C_ID(PK), C_name, C_duration, C_credit
-
2NF:
- F_ID(PK), F_name, F_contact, F_mail
- C_ID(PK), C_name, C_duration, C_credit
- F_ID(PK), C_ID(FK)
- 3NF: Same as 2NF
- Tables:
- F_ID(PK), F_name, F_contact, F_mail
- C_ID(PK), C_name, C_duration, C_credit
- F_ID(PK), C_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956197-5e72ea2b-2504-43a9-b7ad-1342121f00a4.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2MTk3LTVlNzJlYTJiLTI1MDQtNDNhOS1iN2FkLTEzNDIxMjFmMDBhNC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1iMGYyZThlMmVjNWFlNDRkMGFhOTk1YzIwNzNlZjAwNjU3NTAyOWY0ZTc3M2Q2YWNiOGRiNDE1OTVjZGU3ZjE1JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.jJo7z-kBuRzKApWq0t4nLr7__PkSmexl5G2xjnGZ6lQ)
- Unnormalized Form: C_ID(PK), C_name, C_duration, C_credit, E_ID(PK), E_date, E_type, E_roomno, Mark
- 1NF: C_ID(PK), C_name, C_duration, C_credit, E_ID(PK), E_date, E_type, E_roomno, Mark
-
2NF:
- C_ID(PK), C_name, C_duration, C_credit
- E_ID(PK), E_date, E_type, E_roomno, Mark, C_ID(FK)
- 3NF: Same as 2NF
- Tables:
- C_ID(PK), C_name, C_duration, C_credit
- E_ID(PK), E_date, E_type, E_roomno, Mark, C_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956585-07ac9428-28c7-4a07-81a4-cf60013f9277.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2NTg1LTA3YWM5NDI4LTI4YzctNGEwNy04MWE0LWNmNjAwMTNmOTI3Ny5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT0yZTEzZmFhMjY2NzY4NjljNGExMGQyOTgxNTlmMzU2YWMwY2JlZjAwNzlmOGQxMDNlMTUzN2UyMDdjNDEwMjJjJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.Dei3Xzj_VSCFR0F7StGZ77k6G4K2NT3dytYu-JqCeSc)
- Unnormalized Form: D_ID(PK), D_name, D_head, F_ID(PK), F_name, F_contact, F_mail, C_ID(FK), C_name, C_duration, C_credit
- 1NF: D_ID(PK), D_name, D_head, F_ID(PK), F_name, F_contact, F_mail, C_ID(FK), C_name, C_duration, C_credit
-
2NF:
- D_ID(PK), D_name, D_head
- F_ID(PK), Fname, F_contact, F_mail, C_ID(FK), Cname, C_duration, C_credit, D_ID(FK)
- 3NF: Same as 2NF
- Tables:
- D_ID(PK), D_name, D_head
- F_ID(PK), Fname, F_contact, F_mail, C_ID(FK), Cname, C_duration, C_credit, D_ID(FK)
![](https://private-user-images.githubusercontent.com/133691757/257956398-424df486-4a52-4f43-9015-1ee6be54c8ab.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2Mzk4LTQyNGRmNDg2LTRhNTItNGY0My05MDE1LTFlZTZiZTU0YzhhYi5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT0zMTVjMDI0OTk0M2NkODU5MDFmMDM5ODQ0OWJmZmFkODM2NGM2ODE2ZTNkY2MyMjA1MTQ0ZDVmMzg4ZTMyNTY1JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.ugvl1dWqcHxadhAWG8sQilwNvXg__aQf-_gfjthF8RU)
- Unnormalized Form: D_ID(PK), D_name, D_head, A_mail(PK), A_name, A_role, A_contact
- 1NF: D_ID(PK), D_name, D_head, A_mail(PK), A_name, A_role, A_contact
-
2NF:
- D_ID(PK), D_name, D_head, A_mail(FK)
- A_mail(PK), A_name, A_role, A_contact
- 3NF: Same as 2NF
- Tables:
- D_ID(PK), D_name, D_head, A_mail(FK)
- A_mail(PK), A_name, A_role, A_contact
![](https://private-user-images.githubusercontent.com/133691757/257956962-1ab39668-da83-486e-acce-6e7b09535cb3.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2OTYyLTFhYjM5NjY4LWRhODMtNDg2ZS1hY2NlLTZlN2IwOTUzNWNiMy5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT01NTkwZTZjMmVmZTIxNjZmYmQ2MWUwY2RiZmFlYjIzMTc4YmQ1MWMzZjU2ZmJjYjNjODVlZmJlZTc2ZWRkNDQ0JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.Xim_xA0qXxOJ06QvS0LybNz8UNPcTd360boqjNHM2jU)
- Unnormalized Form: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, G_ID(PK), CGPA, Semester, Sem_year
- 1NF: S_ID(PK), S_name, S_contact, S_mail, EnrollYear, G_ID(PK), CGPA, Semester, Sem_year
-
2NF:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear, G_ID(FK)
- G_ID(PK), CGPA, Semester, Sem_year
- 3NF: Same as 2NF
- Tables:
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear, G_ID(FK)
- G_ID(PK), CGPA, Semester, Sem_year
![](https://private-user-images.githubusercontent.com/133691757/257956817-b5380d6c-ea48-41d7-aa1d-83f3a0ee7d6b.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3MjQ3ODIxNDIsIm5iZiI6MTcyNDc4MTg0MiwicGF0aCI6Ii8xMzM2OTE3NTcvMjU3OTU2ODE3LWI1MzgwZDZjLWVhNDgtNDFkNy1hYTFkLTgzZjNhMGVlN2Q2Yi5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjQwODI3JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI0MDgyN1QxODA0MDJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1lYzE2MmQ5OGFhOGEwYjViNWFmOTJiMDMwNzE5MTcyMDUxZjM0YTdhYWM4MTc4NGNjNGQ3Yzc5ZWI3YTk5YmVhJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZhY3Rvcl9pZD0wJmtleV9pZD0wJnJlcG9faWQ9MCJ9.YESRDBg4Cbz7zEAFTFouAMFItoFZYjfwoKJ5DvFut1Q)
- Unnormalized Form: F_ID(PK), F_name, F_contact, F_mail, G_ID(PK), CGPA, Semester, Sem_year
- 1NF: F_ID(PK), F_name, F_contact, F_mail, G_ID(PK), CGPA, Semester, Sem_year
-
2NF:
- F_ID(PK), F_name, F_contact, F_mail
- G_ID(PK), CGPA, Semester, Sem_year, F_ID(FK)
- 3NF: Same as 2NF
- Tables:
- F_ID(PK), F_name, F_contact, F_mail
- G_ID(PK), CGPA, Semester, Sem_year, F_ID(FK)
- P_ID(PK), P_name, P_duration, P_type
- D_ID(PK), D_name, D_head
- P_ID(PK), D_ID(FK)
- D_ID(PK), D_name, D_head, E_ID(FK)
- E_ID(PK), E_Date, E_type, E_roomno, Mark
- S_ID(PK), S_name, S_mail, S_contact, EnrollYear
E_ID(PK), E_Date, E_type, E_roomno, Mark
- S_ID(PK), E_ID(FK)
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear, F_ID(FK)
- F_ID(PK), F_name, F_contact, F_mail
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- Cl_roomno(PK), Cl_time, Cl_name
- S_ID(PK), Cl_roomno(FK)
S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- P_ID(PK), P_name, P_duration
- S_ID(PK), P_ID(FK)
S_ID(PK), S_name, S_contact, S_mail, EnrollYear
- C_ID(PK), C_name, C_duration, C_credit
- S_ID(PK), C_ID(FK)
F_ID(PK), F_name, F_contact, F_mailC_ID(PK), C_name, C_duration, C_credit
- F_ID(PK), C_ID(FK)
C_ID(PK), C_name, C_duration, C_credit
- E_ID(PK), E_date, E_type, E_roomno, Mark, C_ID(FK)
D_ID(PK), D_name, D_head
- F_ID(PK), Fname, F_contact, F_mail, C_ID(FK), Cname, C_duration, C_credit, D_ID(FK)
- D_ID(PK), D_name, D_head, A_mail(FK)
- A_mail(PK), A_name, A_role, A_contact
- S_ID(PK), S_name, S_contact, S_mail, EnrollYear, G_ID(FK)
- G_ID(PK), CGPA, Semester, Sem_year
F_ID(PK), F_name, F_contact, F_mail
- G_ID(PK), CGPA, Semester, Sem_year, F_ID(FK)