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  2. Select (SQL) - Wikipedia

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

    SELECT * FROM (SELECT ROW_NUMBER OVER (ORDER BY sort_key ASC) AS row_number, columns FROM tablename) AS foo WHERE row_number <= 10 ROW_NUMBER can be non-deterministic : if sort_key is not unique, each time you run the query it is possible to get different row numbers assigned to any rows where sort_key is the same.

  3. Cursor (databases) - Wikipedia

    en.wikipedia.org/wiki/Cursor_(databases)

    With a non-scrollable (or forward-only) cursor, you can FETCH each row at most once, and the cursor automatically moves to the next row. After you fetch the last row, if you fetch again, you will put the cursor after the last row and get the following code: SQLSTATE 02000 (SQLCODE +100) .

  4. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Without an ORDER BY clause, the order of rows returned by an SQL query is undefined. The DISTINCT keyword [3] eliminates duplicate data. [4] The OFFSET clause specifies the number of rows to skip before starting to return data. The FETCH FIRST clause specifies the number of rows to return. Some SQL databases instead have non-standard ...

  5. Database index - Wikipedia

    en.wikipedia.org/wiki/Database_index

    The non-clustered index tree contains the index keys in sorted order, with the leaf level of the index containing the pointer to the record (page and the row number in the data page in page-organized engines; row offset in file-organized engines). In a non-clustered index, The physical order of the rows is not the same as the index order.

  6. Order by - Wikipedia

    en.wikipedia.org/wiki/Order_by

    An ORDER BY clause in SQL specifies that a SQL SELECT statement returns a result set with the rows being sorted by the values of one or more columns. The sort criteria does not have to be included in the result set (restrictions apply for SELECT DISTINCT, GROUP BY, UNION [DISTINCT], EXCEPT [DISTINCT] and INTERSECT [DISTINCT].)

  7. These Are the Best New Songs We Heard This Month - AOL

    www.aol.com/best-songs-heard-month-142900895.html

    “Archangel” by Olly Alexander (Years & Years) “When I first heard ‘Archangel’ by Olly Alexander, I felt an bolt of serotonin creep into my bloodstream.

  8. Can Dogs Eat Mashed Potatoes? Here's What to Know on ... - AOL

    www.aol.com/dogs-eat-mashed-potatoes-heres...

    10 Best Shampoos for Red Hair Like Ree Drummond's. Show comments. Advertisement. Advertisement. Holiday Shopping Guides. See all. AOL. The best gifts that don't require shipping — gift cards ...

  9. Biden to cancel even more student debt, prioritize Ukraine ...

    www.aol.com/biden-cancel-even-more-student...

    On Ukraine, Zients added that Biden will “do more” to get the country “in the best position possible” — and that he will deliver “additional artillery rounds, air defense, and other ...