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my doubt is- when question is said find minimum no.of table to given E-R diagram,and additional condition table are satisfying 1NF/2NF/3NF. how we conclude table is 1NF/2NF/3NF.
er-diagram
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Apr 5, 2019
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sandeep singh gaur
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Self Doubt on ER diagram
How to solve these type of questions https://gateoverflow.in/201404/er-diagram Copying the image for quick reference: Minimum no of tables. My approach was: First allocate all the relationships to entities (i.e decide on relationships) So here R5 goes with E4 , R4 ... tables will be E1R1E2R2, E4R5, E3R4, R3. Correct me if I'm wrong. Let me know if there is a better process.
How to solve these type of questions https://gateoverflow.in/201404/er-diagram Copying the image for quick reference: Minimum no of tables. My approach was: First allocate all the relationships to entities (i.e decide on relationships) So here R5 goes with E4 , R4 with E3, R2 ... So finally tables will be E1R1E2R2, E4R5, E3R4, R3. Correct me if I'm wrong. Let me know if there is a better process.
asked
Dec 5, 2018
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