Question
Are each of the following schedules serializable? 1. R1(X); R2(Y); R1(Y); W1(X); W1(Y); C1; W2(Y); C2; 2. R1(Y); R2(X); W1(Y); A1, W2(X); C2; 3. R1(Y);
Are each of the following schedules serializable? 1. R1(X); R2(Y); R1(Y); W1(X); W1(Y); C1; W2(Y); C2; 2. R1(Y); R2(X); W1(Y); A1, W2(X); C2; 3. R1(Y); R1(X); W1(X); R2(X); W1(Y); C1; W2(X);C2; Hint: You will need to build a Precedence Graph for each schedule.
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SQL Server Query Performance Tuning
Authors: Sajal Dam, Grant Fritchey
4th Edition
1430267429, 9781430267423
