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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. Help:Creating tables - Wikipedia

    en.wikipedia.org/wiki/Help:Creating_tables

    The row number column created by Template:Static row numbers is not counted in these calculations. Fill in the "replace with" box with: $1[[$3]]$4. Then click "Replace all". The "m" number may be different if a table uses rowspan or colspan. If you want links for the first column the following will work with both compact and long table wikitext ...

  4. List of random number generators - Wikipedia

    en.wikipedia.org/wiki/List_of_random_number...

    A SWB generator is the basis for the RANLUX generator, [19] widely used e.g. for particle physics simulations. Maximally periodic reciprocals: 1992 R. A. J. Matthews [20] A method with roots in number theory, although never used in practical applications. KISS: 1993 G. Marsaglia [21] Prototypical example of a combination generator. Multiply ...

  5. Template:Static row numbers - Wikipedia

    en.wikipedia.org/wiki/Template:Static_row_numbers

    The static-row-numbers-norank class can be added to data rows to disable the number. The static-row-header class disables the number and border between other rows that use this class consecutively, simulating a rowspan (see Help:Table#Colspan and rowspan). It should be added to: Header rows excluding the first.

  6. List of SQL reserved words - Wikipedia

    en.wikipedia.org/wiki/List_of_SQL_reserved_words

    Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]

  7. Surrogate key - Wikipedia

    en.wikipedia.org/wiki/Surrogate_key

    The values of generated surrogate keys have no relationship to the real-world meaning of the data held in a row. When inspecting a row holding a foreign key reference to another table using a surrogate key, the meaning of the surrogate key's row cannot be discerned from the key itself. Every foreign key must be joined to see the related data item.

  8. SQLSTATE - Wikipedia

    en.wikipedia.org/wiki/SQLSTATE

    The table's last column shows the part of the standard that defines the row. ... sequence generator limit exceeded: 2200J: X: 22: ... invalid condition number: 000 ...

  9. Star schema - Wikipedia

    en.wikipedia.org/wiki/Star_schema

    In computing, the star schema or star model is the simplest style of data mart schema and is the approach most widely used to develop data warehouses and dimensional data marts. [1]