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  2. Microsoft Access - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Access

    Microsoft Access. Microsoft Access is a database management system (DBMS) from Microsoft that combines the relational Access Database Engine (ACE) with a graphical user interface and software-development tools. It is a member of the Microsoft 365 suite of applications, included in the Professional and higher editions or sold separately.

  3. Access Database Engine - Wikipedia

    en.wikipedia.org/wiki/Access_Database_Engine

    The Access Database Engine (also Office Access Connectivity Engine or ACE and formerly Microsoft Jet Database Engine, Microsoft JET Engine or simply Jet) is a database engine on which several Microsoft products have been built. The first version of Jet was developed in 1992, consisting of three modules which could be used to manipulate a database.

  4. DUAL table - Wikipedia

    en.wikipedia.org/wiki/DUAL_table

    DUAL table. 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.

  5. Table (database) - Wikipedia

    en.wikipedia.org/wiki/Table_(database)

    Table (database) A table is a collection of related data held in a table format within a database. It consists of columns and rows . In relational databases, and flat file databases, a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows, the cell being the unit where a row and ...

  6. Microsoft Query - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Query

    Microsoft Query. Microsoft Query is a visual method of creating database queries using examples based on a text string, the name of a document or a list of documents. The QBE system converts the user input into a formal database query using Structured Query Language (SQL) on the backend, allowing the user to perform powerful searches without ...

  7. Referential integrity - Wikipedia

    en.wikipedia.org/wiki/Referential_integrity

    Referential integrity is a property of data stating that all its references are valid. In the context of relational databases, it requires that if a value of one attribute (column) of a relation (table) references a value of another attribute (either in the same or a different relation), then the referenced value must exist. [1]

  8. Table (information) - Wikipedia

    en.wikipedia.org/wiki/Table_(information)

    Table (information) A table is an arrangement of information or data, typically in rows and columns, or possibly in a more complex structure. Tables are widely used in communication, research, and data analysis. Tables appear in print media, handwritten notes, computer software, architectural ornamentation, traffic signs, and many other places.

  9. Paradox (database) - Wikipedia

    en.wikipedia.org/wiki/Paradox_(database)

    In 1995, Microsoft bundled Access into their Microsoft Office Professional Suite with Word, Excel, and PowerPoint. This effectively killed the end-user desktop database market for standalone products. [citation needed] Despite solid follow-on versions with improvements to usability for entry-level users, Paradox faded from the market.