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In computing, the Oracle Call Interface (OCI) consists of a set of C-language software APIs which provide an interface to the Oracle database.. OCI offers a procedural API for not only performing certain database administration tasks (such as system startup and shutdown), but also for using PL/SQL or SQL to query, access, and manipulate data.
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.
PL/SQL is the extended SQL language used by Oracle Database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM Db2 (since version 9.7). [11] O-PL/SQL allows the definition of classes and instantiating these as objects, thus creating user-defined datatypes as writing ...
PL/SQL Developer, an Integrated Development Environment for developing software in the Oracle database environment, [2] focuses on the development of PL/SQL stored-program units. Allround Automations, based in Enschede in the Netherlands , markets the software.
computes the difference in seconds between two time_t values time: returns the current time of the system as a time_t value, number of seconds, (which is usually time since an epoch, typically the Unix epoch). The value of the epoch is operating system dependent; 1900 and 1970 are often used. See RFC 868. clock
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In October 2006, Oracle released version 10.1.3.1 that added support for the final EJB 3.0 spec along with BPEL and ESB design time. In January 2007, Oracle released version 10.1.3.2 incorporating WebCenter capabilities such as creating and consuming portlets, portlet/JSF bridge, and content-repository data control.
(get-universal-time) [44] 1 s 1 January 1900 Smalltalk: Time microsecondClock (VisualWorks) 1 s (ANSI) 1 μs (VisualWorks) 1 s (Squeak) 1 January 1901 (*) Time totalSeconds (Squeak) SystemClock ticksNowSinceSystemClockEpoch (Chronos) SQL: CURDATE() or CURRENT DATE CURTIME() or CURRENT TIME GETDATE() or GETUTCDATE() NOW() or CURRENT TIMESTAMP ...