Search results
Results from the WOW.Com Content Network
If two dates supplied, the template calculates the difference between them, in days. If only one date is supplied, then the supplied date is calculated against the current date.
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.
Object-PL/SQL (Object-Procedural Language/Structured Query Language or simply O-PL/SQL) is a methodology of using the Oracle Corporation's procedural extension language for SQL and the Oracle relational database. [1] [2] The additional features from version 7 and other improvements, lead to one of the large-scale environment implementations of ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
Released with the first Oracle Database version 2 (there was no version 1), IAF provided a character mode interface to allow users to enter and query data from an Oracle database. It was renamed to Fast Forms with Oracle Database version 4 and added an additional tool to help generate a default form to edit with IAG, the form editor.
The DUAL table is a special one-row, one-column table present by default in Oracle and other database installations. In Oracle, the table has a single VARCHAR2(1) column called DUMMY that has a value of 'X'. It is suitable for use in selecting a pseudo column such as SYSDATE or USER.
The characteristic properties of ORDBMS are 1) complex data, 2) type inheritance, and 3) object behavior. Complex data creation in most SQL ORDBMSs is based on preliminary schema definition via the user-defined type (UDT). Hierarchy within structured complex data offers an added property, type inheritance. That is, a structured type can have ...
As a precursor to the lambda functions introduced in C# 3.0, C#2.0 added anonymous delegates. These provide closure-like functionality to C#. [3] Code inside the body of an anonymous delegate has full read/write access to local variables, method parameters, and class members in scope of the delegate, excepting out and ref parameters. For example:-