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One can automatically generate a CRUD (create-read-update-delete) web-application from an existing database using the command-line tool seam-gen supplied with the framework. Seam facilitates WYSIWYG development through the use of JBoss Tools, a set of plug-ins targeted at the open-source Eclipse integrated development environment. [3]
Django (/ ˈ dʒ æ ŋ ɡ oʊ / JANG-goh; sometimes stylized as django) [6] is a free and open-source, Python-based web framework that runs on a web server. It follows the model–template–views (MTV) architectural pattern .
In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports .
TableDelete AFTER DELETE ON Database. OriginalTable REFERENCING OLD AS O FOR EACH ROW MODE DB2SQL BEGIN DECLARE Now TIMESTAMP; SET NOW = CURRENT TIMESTAMP; UPDATE Database. HistoryTable SET EndDate = Now WHERE Column1 = O. Column1 AND EndDate IS NULL; END;-- Trigger for UPDATE CREATE TRIGGER Database. TableUpdate AFTER UPDATE ON Database.
The create command is used to establish a new database, table, index, or stored procedure. The CREATE statement in SQL creates a component in a relational database management system (RDBMS). In the SQL 1992 specification, the types of components that can be created are schemas, tables , views , domains, character sets , collations ...
[1] [2] The interface of an object conforming to this pattern would include functions such as Insert, Update, and Delete, plus properties that correspond more or less directly to the columns in the underlying database table. The active record pattern is an approach to accessing data in a database. A database table or view is wrapped into a class.
The following is a list of major features: Over 30 built-in database refactorings; Extensibility to create custom changes; Update database to current version; Rollback last X changes to database; Rollback database changes to particular date/time; Rollback database to "tag" SQL for Database Updates and Rollbacks can be saved for manual review
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