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  2. Polyhedra (software) - Wikipedia

    en.wikipedia.org/wiki/Polyhedra_(software)

    Polyhedra 8.3: Some SQL enhancements and streaming output from historian. Polyhedra 8.4: performance enhancements; 2011 Polyhedra 8.5: better integration with 3rd-party tools, and improved performance on Windows. Replica servers can be used in a fan-out configuration for better scaling. 2012 Polyhedra 8.6: 64-bit integer data type.

  3. View (SQL) - Wikipedia

    en.wikipedia.org/wiki/View_(SQL)

    Views take very little space to store; the database contains only the definition of a view, not a copy of all the data that it presents. Views structure data in a way that classes of users find natural and intuitive. [2] Just as a function (in programming) can provide abstraction, so can a database view. In another parallel with functions ...

  4. Oracle Rdb - Wikipedia

    en.wikipedia.org/wiki/Oracle_Rdb

    Rdb is built on top of a low-level database kernel named KODA, which handles functionality such as locking, journaling, and buffering of data. [12] The KODA kernel is shared with Oracle's CODASYL DBMS (originally known as VAX DBMS) which is a network model database.

  5. Comparison of relational database management systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_relational...

    TINYINT (8-bit), SMALLINT (16-bit), INTEGER (32-bit), BIGINT (64-bit) REAL (32-bit), DOUBLE (aka FLOAT) (64-bit) N/A CHAR, VARCHAR, NVARCHAR: N/A DATE, DATETIME (aka TIMESTAMP) BOOL: N/A Type system Integer Floating point Decimal String Binary Date/Time Boolean Other Teradata: Static BYTEINT (8-bit), SMALLINT (16-bit), INTEGER (32-bit), BIGINT ...

  6. Comparison of database administration tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_database...

    Yes - user manager with support for database and schema permissions as well as for individual object (table, view, functions) permissions; Some - simple user manager with support for database and schema permissions; No - no user manager, or read-only user manager

  7. Log trigger - Wikipedia

    en.wikipedia.org/wiki/Log_trigger

    In relational databases, the log trigger or history trigger is a mechanism for automatic recording of information about changes inserting or/and updating or/and deleting rows in a database table. It is a particular technique for change data capturing , and in data warehousing for dealing with slowly changing dimensions .

  8. Oracle Forms - Wikipedia

    en.wikipedia.org/wiki/Oracle_Forms

    Starting with this release the version number of Oracle Forms moving forward would keep in sync with the Oracle database version. As a result, version 8 as skipped, and the version number jumped to 9. After this release, there were very few product changes made besides keeping the version number in sync with the Oracle database.

  9. PostgreSQL - Wikipedia

    en.wikipedia.org/wiki/PostgreSQL

    Triggers are fully supported and can be attached to tables. Triggers can be per-column and conditional, in that UPDATE triggers can target specific columns of a table, and triggers can be told to execute under a set of conditions as specified in the trigger's WHERE clause. Triggers can be attached to views by using the INSTEAD OF condition ...