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Oracle Corporation calls these variables "substitution variables". Programmers can use them anywhere in a SQL or PL/SQL statement or in SQL Plus commands. They can be populated by a literal using DEFINE or from the database using the column command.
PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL.
Oracle Database (commonly referred to as Oracle DBMS, Oracle Autonomous Database, or simply as Oracle) is a proprietary multi-model [4] database management system produced and marketed by Oracle Corporation. It is a database commonly used for running online transaction processing (OLTP), data warehousing (DW) and mixed (OLTP & DW) database ...
After Oracle acquired Sun Microsystems, they re-branded a number of products that overlapped in function. (See table below.) The re-branding, and Oracle's commitment to ongoing support and maintenance of these products were revealed by Hasan Rizvi, Senior Vice President of Oracle Fusion Middleware in an Oracle and Sun Identity Management Strategy webcast in 2010.
Oracle's Exadata Cloud at Customer leverages this network for control plane services. [21] Oracle deploys their cloud in Regions, typically with two geographically distributed regions in each country for disaster resiliency with data sovereignty. Inside each Region are at least one fault-independent Availability Domain and three fault-tolerant ...
A specified oracle is typically associated with formalized approaches to software modeling and software code construction. It is connected to formal specification, [8] model-based design which may be used to generate test oracles, [9] state transition specification for which oracles can be derived to aid model-based testing [10] and protocol conformance testing, [11] and design by contract for ...
To manage many databases and application servers (according to Oracle Corporation, preferably in a grid solution), the Oracle Enterprise Manager Grid Control can be used. . It can manage multiple instances of Oracle deployment platforms; the most recent edition also allows for management and monitoring of other platforms such as Microsoft .NET, Microsoft SQL Server, NetApp filers, BEA Weblogic ...
The instance comprises the collection of Oracle-related memory and background processes that run on a computer system. In an Oracle RAC environment, 2 or more instances concurrently access a single database. This allows an application or user to connect to either computer and have access to a single coordinated set of data.