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  2. Transaction logic - Wikipedia

    en.wikipedia.org/wiki/Transaction_logic

    Transaction Logic is an extension of predicate logic that accounts in a clean and declarative way for the phenomenon of state changes in logic programs and databases.This extension adds connectives specifically designed for combining simple actions into complex transactions and for providing control over their execution.

  3. Database trigger - Wikipedia

    en.wikipedia.org/wiki/Database_trigger

    Before Insert; The four main types of triggers are: Row-level trigger: This gets executed before or after any column value of a row changes. Column-level trigger: This gets executed before or after the specified column changes. For each row type: This trigger gets executed once for each row of the result set affected by an insert/update/delete.

  4. PostgreSQL - Wikipedia

    en.wikipedia.org/wiki/PostgreSQL

    Triggers are events triggered by the action of SQL data manipulation language (DML) statements. For example, an INSERT statement might activate a trigger that checks if the values of the statement are valid. Most triggers are only activated by either INSERT or UPDATE statements. Triggers are fully supported and can be attached to tables.

  5. Salesforce - Wikipedia

    en.wikipedia.org/wiki/Salesforce

    Salesforce was founded on March 8, 1999 by former Oracle executive Marc Benioff, together with Parker Harris, Dave Moellenhoff, and Frank Dominguez as a software-as-a-service (SaaS) company. [6] [7] [8] The first prototype of Salesforce was launched in November 1999. [8]

  6. Extract, transform, load - Wikipedia

    en.wikipedia.org/wiki/Extract,_transform,_load

    For example, if you need to load data into two databases, you can run the loads in parallel (instead of loading into the first – and then replicating into the second). Sometimes processing must take place sequentially. For example, dimensional (reference) data are needed before one can get and validate the rows for main "fact" tables.

  7. Insert (SQL) - Wikipedia

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

    BEFORE INSERT triggers allow the modification of the values that shall be inserted into the table. AFTER INSERT triggers cannot modify the data anymore, but can be used to initiate actions on other tables, for example, to implement auditing mechanism.

  8. Database normalization - Wikipedia

    en.wikipedia.org/wiki/Database_normalization

    For this example it is assumed that each book has only one author. A table that conforms to the relational model has a primary key which uniquely identifies a row. In our example, the primary key is a composite key of {Title, Format} (indicated by the underlining):

  9. Oracle Application Express - Wikipedia

    en.wikipedia.org/wiki/Oracle_Application_Express

    An example of inconsistent access control arises when an authorization scheme is applied to a button item but not to the process linked to that button. This inconsistency could allow a user to trigger the process directly via JavaScript, bypassing the button entirely.