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  2. Select (SQL) - Wikipedia

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

    Select only then {rows} rows with filter: First Page: select only the first {rows} rows, depending on the type of database; Next Page: select only the first {rows} rows, depending on the type of database, where the {unique_key} is greater than {last_val} (the value of the {unique_key} of the last row in the current page)

  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. Set operations (SQL) - Wikipedia

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

    A UNION query could combine results from both tables. Note that UNION ALL does not guarantee the order of rows. Rows from the second operand may appear before, after, or mixed with rows from the first operand. In situations where a specific order is desired, ORDER BY must be used. Note that UNION ALL may be much faster than plain UNION.

  5. Hierarchical and recursive queries in SQL - Wikipedia

    en.wikipedia.org/wiki/Hierarchical_and_recursive...

    A hierarchical query is a type of SQL query that handles hierarchical model data. They are special cases of more general recursive fixpoint queries, which compute transitive closures . In standard SQL:1999 hierarchical queries are implemented by way of recursive common table expressions (CTEs).

  6. 6 people killed after car went airborne, smashed into support ...

    www.aol.com/news/6-people-killed-car-went...

    The vehicle "somehow went off the roadway, became airborne, and struck a support column" in Newark, New Jersey, prosecutors said.

  7. Massive search underway for grandma feared to have fallen ...

    www.aol.com/huge-search-grandma-feared-fallen...

    A huge search was underway Tuesday for a 64-year-old grandmother feared to have fallen down a 30-foot sinkhole in Pennsylvania while looking for her cat.. Elizabeth Pollard of Unity Township went ...

  8. Return fraud is costing retailers billions. A new AI program ...

    www.aol.com/news/return-fraud-costing-retailers...

    Lacoste is using AI tech Vrai to detect counterfeit returns. Return fraud costs retailers billions, with billions lost globally. Amazon and other retailers face scams exploiting return policies ...

  9. DUAL table - Wikipedia

    en.wikipedia.org/wiki/DUAL_table

    Queries like 'select 1 + 1' can be run without a "from" clause/table name. [5] MySQL allows DUAL to be specified as a table in queries that do not need data from any tables. [6] It is suitable for use in selecting a result function such as SYSDATE() or USER(), although it is not essential. PostgreSQL: A DUAL-view can be added to ease porting ...