TAILIEUCHUNG - OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P106

OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P106: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 996 mounted database A situation where the instance has opened the database controlfile but not the online redo log files or the datafiles. MTBF Mean time between failures. A measure of the average length of running time for a database between unplanned shutdowns. MTS Multi-Threaded Server. Since release 9i renamed to Shared Server. This is the technique whereby a large number of sessions can share a small pool of server processes rather than requiring one server each. MTTR Mean time to recover. The average time it takes to make the database available for normal use after a failure. multiplexing To maintain multiple copies of files particularly controlfiles and redo log files . N namespace A logical grouping of objects within which no two objects may have the same name. natural join A join performed using the NATURAL JOIN syntax when the source and target tables are implicitly equijoined using identically named columns. NCLOB National character large object. A LOB data type for character data such as text documents stored in the alternative national database character set. NetBEUI NetBIOS Extended User Interface. An enhanced version of NETBIOS. NetBIOS Network Basic Input Output System. The network communications protocol that was burnt onto the first network card that IBM ever produced. NLS National Language Support. The capability of the Oracle database to support many linguistic geographical and cultural environments now usually referred to as Globalization. node A computer attached to a network. nonequijoin Performed when the values in the join columns fulfill the join condition based on an inequality expression. null The absence of a value indicating that the value is not known missing or inapplicable. NULLIF A function that tests two terms for equality. If they are equal the function returns null else it returns the first of the two terms tested. Glossary 997 NVL A function that returns either the original .

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.