TAILIEUCHUNG - OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P85

OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P85:There is an ever increasing demand for staff with IT industry certification. The benefits to employers are significant—they can be certain that staff have a certain level of competence—and the benefits to the individuals, in terms of demand for their services, are equally great. Many employers are now requiring technical staff to have certifications, and many IT purchasers will not buy from firms that do not have certified staff. | OCA OCP Oracle Database 11g All-in-One Exam Guide 796 Table 21-1 lists all the attributes in their default order of priority the first to match is applied. Thus an explicit setting will always take precedence but if that has not been done either manually or automatically then the Resource Manager will try them in order until it finds one that has been configured. To use either MODULE or ACTION as the mapping attribute your programmers must embed calls in their code to the DBMS_APPLICATION_INFO package to name the modules and the actions within them typically a PL SQL package would be assigned a module name and the procedures and functions within it could be named as actions. Thus a session can be given a certain priority when it runs certain blocks of code. To use the SERVICE as the mapping attribute you must ensure that some users connect through one database service and some through another. This will require setting up multiple service names in the SERVICE_NAMES instance parameter or programmatically by using the DBMS_SERVICE package to create and start the services and configuring the client side of Oracle Net such that different users will request a different service. Then users who connect through one service such as DSS could be assigned to a lower priority group than users connecting through another service such as OLTP . The three CLIENT_ attributes are visible as the columns PROGRAM OSUSER and MACHINE in the V SESSION dynamic performance view. These will assign a consumer group according to the user process being used perhaps so that a data mining tool could have low priority or the operating system ID on the client 1 EXPLICIT Switch to a group either by using the API or by using automatic consumer group switching. 2 SERVICE_MODULE_ACTION Switch to a group according to the action name being executed the program module and the service used to connect. 3 SERVICE_MODULE Switch to a group according to the service name used to connect and the program module. 4

TỪ KHÓA LIÊN QUAN
TAILIEUCHUNG - Chia sẻ tài liệu không giới hạn
Địa chỉ : 444 Hoang Hoa Tham, Hanoi, Viet Nam
Website : tailieuchung.com
Email : tailieuchung20@gmail.com
Tailieuchung.com là thư viện tài liệu trực tuyến, nơi chia sẽ trao đổi hàng triệu tài liệu như luận văn đồ án, sách, giáo trình, đề thi.
Chúng tôi không chịu trách nhiệm liên quan đến các vấn đề bản quyền nội dung tài liệu được thành viên tự nguyện đăng tải lên, nếu phát hiện thấy tài liệu xấu hoặc tài liệu có bản quyền xin hãy email cho chúng tôi.
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.