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  2. Nested SQL - Wikipedia

    en.wikipedia.org/wiki/Nested_SQL

    In relational databases, a nested table is a table that is embedded within another table. Individual elements can be inserted, updated, and deleted in a nested table. Since individual elements can be modified in a nested table, they are more flexible than an array because elements in an array can only be modified as a whole, not individually. A ...

  3. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    The SQL language is subdivided into several language elements, including: Keywords are words that are defined in the SQL language. They are either reserved (e.g. SELECT, COUNT and YEAR), or non-reserved (e.g. ASC, DOMAIN and KEY). List of SQL reserved words. Identifiers are names on database objects, like tables, columns and schemas. An ...

  4. 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 ]

  5. List of stock characters - Wikipedia

    en.wikipedia.org/wiki/List_of_stock_characters

    A pejorative character in English literature and especially comic drama, as well as satirical prints, the fop is a foolish "man of fashion" who overdresses, aspires to wit, and puts on airs. He may also overdo being fashionably French by wearing French clothes and using French words.

  6. Category:Lists of literary characters - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_literary...

    List of Seikai characters; List of Septimus Heap characters; List of A Series of Unfortunate Events characters; List of The Shapeshifter characters; List of Shiloh characters; List of So I'm a Spider, So What characters; List of A Song of Ice and Fire characters; List of The Southern Vampire Mysteries characters; List of Star Trek: New Frontier ...

  7. SQL - Wikipedia

    en.wikipedia.org/wiki/SQL

    SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...

  8. SQLSTATE - Wikipedia

    en.wikipedia.org/wiki/SQLSTATE

    In very early versions of the SQL standard the return code was called SQLCODE and used a different coding schema. The following table lists the standard-conforming values - based on SQL:2011. [1] The table's last column shows the part of the standard that defines the row. If it is empty, the definition originates from part 2 Foundation.

  9. Conjunctive query - Wikipedia

    en.wikipedia.org/wiki/Conjunctive_Query

    Conjunctive queries without distinguished variables are called boolean conjunctive queries.Conjunctive queries where all variables are distinguished (and no variables are bound) are called equi-join queries, [1] because they are the equivalent, in the relational calculus, of the equi-join queries in the relational algebra (when selecting all columns of the result).