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  2. Data query language - Wikipedia

    en.wikipedia.org/wiki/Data_query_language

    These sub-languages are mainly categorized into four categories: a data query language (DQL), a data definition language (DDL), a data control language (DCL), and a data manipulation language (DML). Sometimes a transaction control language (TCL) [ 1 ] is argued to be part of the sub-language set as well.

  3. Data manipulation language - Wikipedia

    en.wikipedia.org/wiki/Data_manipulation_language

    In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).

  4. Data definition language - Wikipedia

    en.wikipedia.org/wiki/Data_definition_language

    In the context of SQL, data definition or data description language (DDL) is a syntax for creating and modifying database objects such as tables, indices, and users. DDL statements are similar to a computer programming language for defining data structures, especially database schemas. Common examples of DDL statements include CREATE, ALTER ...

  5. Select (SQL) - Wikipedia

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

    [1] [2] A SELECT statement retrieves zero or more rows from one or more database tables or database views. In most applications, SELECT is the most commonly used data manipulation language (DML) command. As SQL is a declarative programming language, SELECT queries specify a result set, but do not specify how to calculate it.

  6. Data control language - Wikipedia

    en.wikipedia.org/wiki/Data_Control_Language

    Data Manipulation Language (DML) Data Definition Language (DDL) Data Control Language (DCL [2]) Transaction Control Language (TCL) DCL commands are used for access control and permission management for users in the database. With them we can easily allow or deny some actions for users on the tables or records (row level security). DCL commands ...

  7. Trump demands immediate dismissal of New York "hush money ...

    www.aol.com/trump-demands-immediate-dismissal...

    Former President Donald Trump and his attorney Todd Blanche exit the courthouse and speak to media after Trump was found guilty following his hush money trial at Manhattan Criminal Court on May 30 ...

  8. List of programming languages by type - Wikipedia

    en.wikipedia.org/wiki/List_of_programming...

    CLIST (MVS Command List) CMS EXEC; csh and tcsh (by Bill Joy UC Berkeley) DIGITAL Command Language CLI for VMS (DEC, Compaq, HP) DOS batch language (for IBM PC DOS, pre-Windows) EXEC 2; Expect (a Unix automation and test tool) fish (a Unix shell) Hamilton C shell (a C shell for Windows) ksh (a standard Unix shell, written by David Korn) Nushell ...

  9. ‘12 Badass Women’ by Huffington Post

    testkitchen.huffingtonpost.com/badass-women

    The Huffington Post reached out to historians across the country to create a list of women who deserve more recognition for their accomplishments. Women may not always get the historical credit their male counterparts do, but as these women show, they were always there doing the work.