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  2. List of SQL reserved words - Wikipedia

    en.wikipedia.org/wiki/List_of_SQL_reserved_words

    This list includes SQL reserved words – aka SQL reserved keywords, [1] [2] as the SQL:2023 specifies and some RDBMSs have added. Reserved words in SQL and related products In SQL:2023 [ 3 ]

  3. Architecture of Btrieve - Wikipedia

    en.wikipedia.org/wiki/Architecture_of_Btrieve

    The arrows point from the index value to the rows that contains the value in the "Employee ID" column. Btrieve uses a b-tree format to store record indexes on particular table columns . The index maps each set of indexed column values to the set of unique identifiers for the rows that have those column values, which provides a quick way to find ...

  4. List of HTTP header fields - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_header_fields

    This header field is part of HTTP version 1.1, and is ignored by some caches and browsers. It may be simulated by setting the Expires HTTP version 1.0 header field value to a time earlier than the response time. Notice that no-cache is not instructing the browser or proxies about whether or not to cache the content.

  5. Select (SQL) - Wikipedia

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

    SELECT list is the list of columns or SQL expressions to be returned by the query. This is approximately the relational algebra projection operation. AS optionally provides an alias for each column or expression in the SELECT list. This is the relational algebra rename operation. FROM specifies from which table to get the data. [3]

  6. Zero-based numbering - Wikipedia

    en.wikipedia.org/wiki/Zero-based_numbering

    Zero is the lowest unsigned integer value, one of the most fundamental types in programming and hardware design. In computer science, zero is thus often used as the base case for many kinds of numerical recursion. Proofs and other sorts of mathematical reasoning in computer science often begin with zero.

  7. Extensible Storage Engine - Wikipedia

    en.wikipedia.org/wiki/Extensible_Storage_Engine

    Fixed columns take up a 1-bit to represent NULLity of the column value and a fixed amount of space in each record in which that column, or a later defined fixed column, is set. Variable columns are essentially columns that take up a variable amount of space in each record in which they are set, depending upon the size of the particular column ...

  8. Pagination - Wikipedia

    en.wikipedia.org/wiki/Pagination

    Pagination, also known as paging, is the process of dividing a document into discrete pages, either electronic pages or printed pages.. In reference to books produced without a computer, pagination can mean the consecutive page numbering to indicate the proper order of the pages, which was rarely found in documents pre-dating 1500, and only became common practice c. 1550, when it replaced ...

  9. Wikipedia:Village pump (technical)/Archive 216 - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Village_pump...

    The offset isn't to avoid the floating TOC button, but rather the full-width version of the . vector-sticky-header. But the weird thing is, that CSS doesn't kick in until @ media screen and ( min-width : 1120px ) , so there's this weird 120px limbo range of browser widths where the table headings are ducking under nothing at all.