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  2. Insert (SQL) - Wikipedia

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

    INSERT INTO phone_book (name, number) VALUES ('John Doe', '555-1212'); Shorthand may also be used, taking advantage of the order of the columns when the table was created. It is not required to specify all columns in the table since any other columns will take their default value or remain null :

  3. Intentionally blank page - Wikipedia

    en.wikipedia.org/wiki/Intentionally_blank_page

    Intentionally blank pages are usually the result of printing conventions and techniques. Chapters conventionally start on an odd-numbered page ; therefore, if the preceding chapter happens to have an odd number of pages, a blank page is inserted at the end. Book pages are often printed on large sheets because of technical and financial ...

  4. Row (database) - Wikipedia

    en.wikipedia.org/wiki/Row_(database)

    A database table can be thought of as consisting of rows and columns. [1] Each row in a table represents a set of related data, and every row in the table has the same structure. For example, in a table that represents companies, each row might represent a single company. Columns might represent things like company name, address, etc.

  5. Data control language - Wikipedia

    en.wikipedia.org/wiki/Data_Control_Language

    A data control language (DCL) is a syntax similar to a computer programming language used to control access to data stored in a database (authorization).In particular, it is a component of Structured Query Language (SQL).

  6. Create, read, update and delete - Wikipedia

    en.wikipedia.org/wiki/Create,_read,_update_and...

    In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports.

  7. Table (information) - Wikipedia

    en.wikipedia.org/wiki/Table_(information)

    the term row has several common synonyms (e.g., record, k-tuple, n-tuple, vector); the term column has several common synonyms (e.g., field, parameter, property, attribute, stanchion); a column is usually identified by a name; a column name can consist of a word, phrase or a numerical index; the intersection of a row and a column is called a cell.

  8. Whitespace character - Wikipedia

    en.wikipedia.org/wiki/Whitespace_character

    The table below lists the twenty-five characters defined as whitespace ("WSpace=Y", "WS") characters in the Unicode Character Database. [1] Seventeen use a definition of whitespace consistent with the algorithm for bidirectional writing ("Bidirectional Character Type=WS") and are known as "Bidi-WS" characters.

  9. List of named matrices - Wikipedia

    en.wikipedia.org/wiki/List_of_named_matrices

    A row consists of 1, a, a 2, a 3, etc., and each row uses a different variable. Walsh matrix: A square matrix, with dimensions a power of 2, the entries of which are +1 or −1, and the property that the dot product of any two distinct rows (or columns) is zero. Z-matrix: A matrix with all off-diagonal entries less than zero.