Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Concept explainers

Normalization
Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can ea…
Question

Draw the dependency diagram and identify the functional dependencies. Show the process of converting this table to 3NF

 

Service Booking Record Service_id Ser_Cat Ser_Wk_hrs| Ser_Cost Client_name |Cl_cont Truck_no Truck_Cap BKG_date HV10258 2 4 $550.00 Bill Jones 463552583 25145 6 TΝ 2/01/2020 BV35015 $975.00 Kelly Payne |478965242| 23123 $1,015.00 Dan Wong 7/11/2019 20/01/2020 4 5 7 TN MR2547 | 421112223 25122 8 TN CV54442 3 5 $750.00 Tim Kane 526411852 25111 7 TN 15/04/2020 $550.00 Lorry Brown 457896235 25145 $800.00 Anu Manta HV10259 2 4 6 TN 13/06/2020 BV35020 3.5 5 464552543 25111 7 TN 25/07/2020
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Transcribed Image Text:Service Booking Record Service_id Ser_Cat Ser_Wk_hrs| Ser_Cost Client_name |Cl_cont Truck_no Truck_Cap BKG_date HV10258 2 4 $550.00 Bill Jones 463552583 25145 6 TΝ 2/01/2020 BV35015 $975.00 Kelly Payne |478965242| 23123 $1,015.00 Dan Wong 7/11/2019 20/01/2020 4 5 7 TN MR2547 | 421112223 25122 8 TN CV54442 3 5 $750.00 Tim Kane 526411852 25111 7 TN 15/04/2020 $550.00 Lorry Brown 457896235 25145 $800.00 Anu Manta HV10259 2 4 6 TN 13/06/2020 BV35020 3.5 5 464552543 25111 7 TN 25/07/2020
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Step 1 Functional dependencies in the given relation ship
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Step 2 3rd normal form conversion
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