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Oracle CASE 1 Oracle CASE 2 Oracle CASE 3 Oracle CASE 4 Oracle CASE 5 - developed using SQL*Forms 3 character mode screens Oracle CASE 5.1 was a major redevelopment where the screens were redeveloped using the Oracle Forms 4.0 which provided a GUI interface The version numbers get confusing at this point because the numbers go backwards.
MySQL, MS SQL Server, PostgreSQL, Oracle, IBM Db2: Windows Visual Studio Extension 2005 Open ModelSphere: Grandite Enterprises - SMBs - personal Open source MS SQL Server, MySQL, PostgreSQL, Oracle, IBM Db2: Windows, macOS, Linux Standalone with Data, UML, and process modeling 2008 Oracle SQL Developer Data Modeler Oracle: Enterprises Proprietary
The SQL CASE expression is a generalization of the ternary operator. Instead of one conditional and two results, n conditionals and n+1 results can be specified. With one conditional it is equivalent (although more verbose) to the ternary operator:
For example, think of A as Authors, and B as Books. An Author can write several Books, and a Book can be written by several Authors. In a relational database management system, such relationships are usually implemented by means of an associative table (also known as join table, junction table or cross-reference table), say, AB with two one-to-many relationships A → AB and B → AB.
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
Oracle Data Mining (ODM) is an option of Oracle Database Enterprise Edition. It contains several data mining and data analysis algorithms for classification, prediction, regression, associations, feature selection, anomaly detection, feature extraction, and specialized analytics.
Oracle Forms 3 was the first version to allow PL/SQL to be used within Forms triggers and procedures/SQL Functions could also be used as an undocumented feature. Forms 3 was a character mode application and was primarily used in terminals such as Digital VT220 and PCs running Microsoft DOS.