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  2. Group by (SQL) - Wikipedia

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

    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 each group. This implies constraints on the columns that can appear in the associated SELECT clause. As a general rule, the SELECT clause may only contain columns with a unique value ...

  3. Aggregate (data warehouse) - Wikipedia

    en.wikipedia.org/wiki/Aggregate_(data_warehouse)

    The aggregate navigation essentially examines the query to see if it can be answered using a smaller, aggregate table. [5] Implementations of aggregate navigators can be found in a range of technologies: OLAP engines; Materialized views; Relational OLAP services; BI application servers or query tools

  4. Aggregate function - Wikipedia

    en.wikipedia.org/wiki/Aggregate_function

    The listagg function, as defined in the SQL:2016 standard [2] aggregates data from multiple rows into a single concatenated string. In the entity relationship diagram, aggregation is represented as seen in Figure 1 with a rectangle around the relationship and its entities to indicate that it is being treated as an aggregate entity. [3]

  5. Do you overplan the holidays? You might be missing the point

    www.aol.com/overplan-holidays-might-missing...

    Overplanning the holidays can cause stress and wreck what's supposed to be a joyous time. (Tanja Ivanova/Moment RF/Getty Images)

  6. US charges ex-TD Bank employee with helping to launder money ...

    www.aol.com/news/us-charges-ex-td-bank-174412767...

    A former TD Bank employee based in Florida was arrested and charged with facilitating money laundering to Colombia, New Jersey's attorney general said on Wednesday, in the first such arrest since ...

  7. Correlated subquery - Wikipedia

    en.wikipedia.org/wiki/Correlated_subquery

    In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses values from the outer query. This can have major impact on performance because the correlated subquery might get recomputed every time for each row of the outer query is processed.

  8. Gov. Gavin Newsom asks Calif. lawmakers for $25M to fund ...

    www.aol.com/gov-gavin-newsom-asks-calif...

    California Democratic Gov. Gavin Newsom asked state lawmakers Monday for an additional $25 million in funding to cover the cost of legal battles he expects to have with President-elect Donald ...

  9. Select (SQL) - Wikipedia

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

    The following example of a SELECT query returns a list of expensive books. The query retrieves all rows from the Book table in which the price column contains a value greater than 100.00. The result is sorted in ascending order by title. The asterisk (*) in the select list indicates that all columns of the Book table should be included in the ...