TAILIEUCHUNG - OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P105

OCA /OCP Oracle Database 11g A ll-in-One Exam Guide- P105: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. | This page intentionally left blank A ACID Atomicity Consistency Isolation and Durability. Four characteristics that a relational database must be able to maintain for transactions. ADDM Automatic Database Diagnostic Monitor. A tool that generates performance tuning reports based on snapshots in the AWR. ADR Automatic Diagnostic Repository. The default location for the alert log trace files and other information useful for fault finding. ADRCI The ADR command-line interface. AES Advanced Encryption Standard. A widely used data encryption method. AL16UTF16 A Unicode fixed-width two-byte character set commonly specified for the NLS character set used for NVARCHAR2 NCHAR and NCLOB data types. alias In Oracle Net a pointer to a connect string. An alias must be resolved into the address of a listener and the name of a service or instance. ANSI American National Standards Institute. A . body that defines a number of standards relevant to computing. 987 OCA OCP Oracle Database 11g All-in-One Exam Guide 988 API Application programming interface. A defined method for manipulating data typically implemented as a set of PL SQL procedures in a package. ARBn Background processes that perform extent movement between disks in an Automatic Storage Management ASM disk group during the rebalancing process triggered by adding a disk to or removing a disk from the group. ASA Automatic Segment Advisor. An Oracle advisory tool that can recommend segments tables or indexes that are candidates for segment shrink. ASCII American Standard Code for Information Interchange. A standard with many variations for coding letters and other characters as bytes. ASH Active session history. A category of information in the AWR that records details of session activity. ASM Automatic Storage Management. A logical volume manager LVM provided with the Oracle database. ASMM Automatic Shared Memory Management. A technique for automating the allocation of memory to both the SGA and PGA structures. ASSM .

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