What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?
Options: ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);, ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);, ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);, None of the above is correct.
Options: the human aspect of the environment around the workstation as well as the workstation itself, the cost relationship of the workstation versus productivity, the level of involvement the operator has with the workstation, the technology involved in the workstation itself
1.In multi processor scheduling; A: Gang scheduling, B: Dynamic scheduling, C: Dedicated processor management.; 1- The number of threads in a process can be altered during the course of execution. 2This provides implicit scheduling defined by the assignment of threads to processors, 3It is applied to the simultaneous scheduling of threads that make up a single process.
Options: (A)A â€“ 1, B â€“ 2, C â€“ 3 (B) A â€“ 2, B â€“ 1, C â€“ 3 (C) A â€“ 1, B â€“ 3, C â€“ 2 (D) A â€“ 3, B â€“ 1, C â€“ 1 | 69 8
Options: (A)It is the process of modifying the state space of the system so that the effects of the fault are minimized and system can continue in operation in some degraded state. (B) Capacity of a system or component to continue normal operation despite the presence of hardware or software faults. (C) It is the widely used hazard technique (D) Incorrect step, process, or data definition in a computer program 18
Options: (A)It involves data sharing between more than two tasks, which are often specified as being members in a common group, or collective. (B) It involves two tasks with one task acting as the sender/producer of data, and the other acting as the receiver/consumer. (C) It allows tasks to transfer data independently from one another. (D) None of these 2