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Using a specific example (different from what the textbook discusses), explain the use of binary and shared/exclusive locks in a DBMS (in your own words).

Using a specific example (different from what the textbook discusses), explain the use of binary and shared/exclusive locks in a DBMS (in your own words).

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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 Using a specific example (different from what the textbook discusses), explain the use of binary and shared/exclusive locks in a DBMS (in your own words).

ACTION ITEMS Suppose you are a manufacturer of product ABCD, which is composed of parts AAAA, BBBB, CCCC and DDDD. Each time a new product is created, it must be added to the product inventory, using the PROD_QOH in a table named PRODUCT. And each time the product ABCD is created, the parts inventory, using PART_QOH in a table named PART, must be reduced by one each for parts AAAA, BBBB, CCCC and DDDD. The sample database contents are shown below for these items: Tablename: PRODUCT Tablename: PART PROD_QOH 1,214 PROD_CODE PART_CODE PART_QOH АВCD AAAA 547 BBBB 108 CCCC 249 DDDD 89
Transcribed Image Text:ACTION ITEMS Suppose you are a manufacturer of product ABCD, which is composed of parts AAAA, BBBB, CCCC and DDDD. Each time a new product is created, it must be added to the product inventory, using the PROD_QOH in a table named PRODUCT. And each time the product ABCD is created, the parts inventory, using PART_QOH in a table named PART, must be reduced by one each for parts AAAA, BBBB, CCCC and DDDD. The sample database contents are shown below for these items: Tablename: PRODUCT Tablename: PART PROD_QOH 1,214 PROD_CODE PART_CODE PART_QOH АВCD AAAA 547 BBBB 108 CCCC 249 DDDD 89
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