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In relational databases a virtual column is a table column whose value(s) is automatically computed using other columns values, or another deterministic expression. Virtual columns are defined of SQL:2003 as Generated Column, [1] and are only implemented by some DBMSs, like MariaDB, SQL Server, Oracle, PostgreSQL, SQLite and Firebird (database server) (COMPUTED BY syntax).
Microsoft SQL Server, Cosmos DB: Search engine from Microsoft. eBay: 285,000,000 JavaScript: Java, [24] JavaScript, [25] Scala [26] Oracle Database: Online auction house. MSN: 280,000,000 JavaScript: C# Microsoft SQL Server: An email client, for simple use. Previously known as "messenger", not to be confused with Facebook's messaging platform ...
FuelPHP, ORM and framework for PHP, released under the MIT license. Based on the ActiveRecord pattern. Laminas, framework that includes a table data gateway and row data gateway implementations; Qcodo, ORM and framework, open source; Redbean, ORM layer for PHP, for creating and maintaining tables on the fly, open source, BSD
Now let's say we have a trigger that uses AFTER instead. The code within the trigger is executed after the INSERT happens to the table. An example use of this trigger is creating an audit history of who has made inserts into the database, keeping track of the changes made. When using these options you need to keep a few things in mind.
Oracle HTTP Server (OHS) is a web server based on the Apache HTTP Server, [1] [2] created by the Oracle Technology Network. The web server is based on Apache version 2.2.13. [3] OHS, like Apache 2.2, includes support for IPv6. [4] It is a Web Tier component of the Oracle Fusion Middleware. Features: SSL/TLS security; Virtual host; Proxy Server
Toad is a database management toolset from Quest Software for managing relational and non-relational databases using SQL aimed at database developers, database administrators, and data analysts. The Toad toolset runs against Oracle, SQL Server, IBM DB2 (LUW & z/OS), SAP and MySQL. A Toad product for data preparation supports many data platforms.
XML is `shredded` into a series of Tables based on a Schema [5] XML is stored into a native XML Type as defined by ISO Standard 9075-14 [6] RDBMS that support the ISO XML Type are: IBM DB2 (pureXML [7]) Microsoft SQL Server [8] Oracle Database [9] PostgreSQL [10] Typically an XML-enabled database is best suited where the majority of data are ...
Using a unique combination of elements from the original SQL INSERT in a subsequent SELECT statement. Using a GUID in the SQL INSERT statement and retrieving it in a SELECT statement. Using the OUTPUT clause in the SQL INSERT statement for MS-SQL Server 2005 and MS-SQL Server 2008. Using an INSERT statement with RETURNING clause for Oracle.