Computers and Technology, 29.04.2021 04:00 grettelyesenia

6.11 - Specify the updates of Exercise 5.11 using the SQL update commands. (5.11 - Suppose each of the following Update operations is applied directly to the database of Figure 5.6. Discuss all integrity constraints violated by each operation, if any, and the different ways of enforcing these constraints: (a) Insert < 'Robert', 'F', 'Scott', '943775543', '21-JUN-42', '2365 Newcastle Rd, Bellaire, TX', M, 58000, '888665555', 1 > into EMPLOYEE. (b) Insert < 'ProductA', 4, 'Bellaire', 2 > into PROJECT. (c) Insert < 'Production', 4, '943775543', '01-OCT-88' > into DEPARTMENT. (d) Insert < '677678989', null, '40.0' > into WORKS_ON. (e) Insert < '453453453', 'John', M, '12-DEC-60', 'SPOUSE' > into DEPENDENT. (f) Delete the WORKS_ON tuples with ESSN

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6.11 - Specify the updates of Exercise 5.11 using the SQL update commands. (5.11 - Suppose each of t...

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