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  2. Entity–attribute–value model - Wikipedia

    en.wikipedia.org/wiki/Entity–attribute–value...

    An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design.

  3. Object composition - Wikipedia

    en.wikipedia.org/wiki/Object_composition

    An aggregation is a kind of association that models a part/whole relationship between an aggregate (whole) and a group of related components (parts). A composition, also called a composite aggregation, is a kind of aggregation that models a part/whole relationship between a composite (whole) and a group of exclusively owned parts.

  4. Group by (SQL) - Wikipedia

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

    A GROUP BY statement in SQL specifies that a SQL SELECT statement partitions result rows into groups, based on their values in one or several columns. Typically, grouping is used to apply some sort of aggregate function for each group. [1] [2] The result of a query using a GROUP BY statement contains one row for

  5. JonBenét Ramsey's Parents Discuss Ransom Note Mystery in ...

    www.aol.com/jonben-t-ramseys-parents-discuss...

    On the morning of Dec. 26, 1996, John and Patsy Ramsey woke up to find their 6-year-old daughter, JonBenét Ramsey, missing from her bedroom. Shortly after, they found a handwritten ransom note ...

  6. The current price of Dollar Tree's products may increase again because of President-elect Donald Trump’s tariff plans, Dollar Tree executives said.. Apart from increased prices, the discount ...

  7. Here’s the last day to send your gifts in time for the holidays

    www.aol.com/last-day-send-gifts-time-143042135.html

    US Postal Service employees work inside the Los Angeles Mail Processing & Distribution Center on December 3. The facility is currently processing 1 million packages per day.

  8. PANDAS - Wikipedia

    en.wikipedia.org/wiki/PANDAS

    Whether PANDAS was a distinct entity differing from other cases of tic disorders or OCD is debated. [2] [10] [11] As the PANDAS hypothesis was unconfirmed and unsupported by data, a new definition was proposed by Swedo and colleagues in 2012. [12]

  9. Maine Coon Kitten's Dramatic Glow Up Has People Totally Shocked

    www.aol.com/maine-coon-kittens-dramatic-glow...

    Woah! Percy was an adorable, fluffy, innocent-looking kitten at 4 months old—when the first clip was taken—but as a 13-month-old young adult cat, he's downright majestic.TikTok viewers are ...