There are four processes (P1 to P4) and three resource types (R1 to R3). P1 has been allocated 1 unit of R1, P2 has been allocated 1 unit of R2 and 1 unit of R3, P3 has been allocated 1 unit of R3, P4 has been allocated 1 unit of R3. P1 is requesting 1 unit of R2, P2 is requesting 1 unit of R1 and 1 unit of R3, P3 is requesting 1 unit of R1, P4 is requesting 1 unit of R2. (a) Draw the corresponding diagram. (b) Analyze for deadlock. Show all your work.

There are four processes (P1 to P4) and three resource types (R1 to R3). P1 has been allocated 1 unit of R1, P2 has been allocated 1 unit of R2 and 1 unit of R3, P3 has been allocated 1 unit of R3, P4 has been allocated 1 unit of R3. P1 is requesting 1 unit of R2, P2 is requesting 1 unit of R1 and 1 unit of R3, P3 is requesting 1 unit of R1, P4 is requesting 1 unit of R2. (a) Draw the corresponding diagram. (b) Analyze for deadlock. Show all your work.

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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Table: director dir id | 1 201 Fred | Caravanhitch 202 | Jackie I Claytonburry 203 Greene I Lyon. 204 Miguel | Camino 205 George 1 Forman 206 Antartic 1 Scott Stanlee | Carbrick 207 208 Bryon 209 | Roman Sanger | Polanski 210 Paul 211 | Woody | Allen 212 | Hayao | Miyazaki 213 | Frank | Darabont 214 | Sam | Mendes 215 | James | Cameron 216 Gus | Van Sant 217 John Boorman 218 Danny | Boyle 219 Christopher | Nolan. 220 Richard I Kelly 221 | Kevin | Spacey | Tarkovsky 222 | Andrei 223 Peter | Jackson Question 10. Update the director table to set the values in DETAIL_RETURNDATE to include a date of birth (dob) component, and also correct some of the name mistakes. For those not listed, assume the original name is correct, and also give a null value for dob. Make each entry match the values shown in the following Table. Table: director (Updates) dir fname I 201 Alfred dir lname 1 dob | Hitchcock I 1964-08-12 | Clayton. 1 1955-11-22 I 1969-05-15 202 Jack 203 David | Lean 204 Michael | Cimino…