Search results
Results From The WOW.Com Content Network
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.
In such a case a trigger must be created for each operation; For an INSERT operation only the inserting section must be specified, for a DELETE operation only the deleting section must be specified, and for an UPDATE operation both sections must be present, just as it is shown above (the deleting section first, then the inserting section ...
New features in the Windows release include the ability to create, open, edit, save, and share files in the cloud straight from the desktop, a new search tool for commands available in Word, PowerPoint, Excel, Outlook, Access, Visio and Project named "Tell Me", more "Send As" options in Word and PowerPoint, and co-authoring in real time with users connected to Office Online.
When personal computers were initially released in the 1970s and 1980s, they typically included a version of BASIC so that customers could write their own programs. . Microsoft's first products were BASIC compilers and interpreters, and the company distributed versions of BASIC with MS-DOS (versions 1.0 through 6.0) and developed follow-on products that offered more features and capabilities ...
A table (called the referencing table) can refer to a column (or a group of columns) in another table (the referenced table) by using a foreign key.The referenced column(s) in the referenced table must be under a unique constraint, such as a primary key.
The outrigger attributes should have distinct column names, like “Current Income Level,” to differentiate them from attributes in the mini-dimension linked to the fact table. The ETL team must update/overwrite the type 1 mini-dimension reference whenever the current mini-dimension changes over time.
Extract, transform, load (ETL) is a three-phase computing process where data is extracted from an input source, transformed (including cleaning), and loaded into an output data container.
The paradigm is especially powerful because the semaphore count may serve as a useful trigger for a number of different actions. The librarian above may turn the lights off in the study hall when there are no students remaining, or may place a sign that says the rooms are very busy when most of the rooms are occupied.