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  2. List of Billboard number-one singles of 1944 - Wikipedia

    en.wikipedia.org/wiki/List_of_Billboard_number...

    National Best Selling Retail Records – ranked the highest-selling singles in retail stores, as reported by merchants surveyed throughout the United States. Most Played Juke Box Records (introduced January 8) – ranked the most played songs in jukeboxes across the United States, as reported by machine operators.

  3. List of Billboard number-one singles of the 1940s - Wikipedia

    en.wikipedia.org/wiki/List_of_Billboard_number...

    Billboard Hot 100 & Best Sellers in Stores number-one singles by decade Before August 1958 1940–1949 1950–1958 After August 1958 1958–1969 1970–1979 1980–1989 1990–1999 2000–2009 2010–2019 2020–2029 US Singles Chart Billboard magazine Billboard number-one singles chart (which preceded the Billboard Hot 100 chart), which was updated weekly by the Billboard magazine, was the ...

  4. Select (SQL) - Wikipedia

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

    MS SQL Server (This also works on Microsoft SQL Server 6.5 while the Select top 10 * from T does not) SELECT * FROM T LIMIT 10 OFFSET 20 Netezza , MySQL , MariaDB (also supports the standard version, since version 10.6), SAP SQL Anywhere , PostgreSQL (also supports the standard, since version 8.4), SQLite , HSQLDB , H2 , Vertica , Polyhedra ...

  5. sort (Unix) - Wikipedia

    en.wikipedia.org/wiki/Sort_(Unix)

    Blocks of letters are compared alpha-numerically, and blocks of digits are compared numerically (i.e., skipping leading zeros, more digits means larger, otherwise the leftmost digits that differ determine the result). Blocks are compared left-to-right and the first non-equal block in that loop decides which text is larger.

  6. Data control language - Wikipedia

    en.wikipedia.org/wiki/Data_Control_Language

    In particular, it is a component of Structured Query Language (SQL). Data Control Language is one of the logical group in SQL Commands. SQL [1] is the standard language for relational database management systems. SQL statements are used to perform tasks such as insert data to a database, delete or update data in a database, or retrieve data ...

  7. SQL Plus - Wikipedia

    en.wikipedia.org/wiki/SQL_Plus

    The command-line SQL Plus interface continues in use, mostly [citation needed] for non-interactive scripting or for administrative purposes. The Server Manager Command Line — a replacement of SQL*DBA — is obsolete and SQL Plus 8i and later allows the user to issue statements like STARTUP and SHUTDOWN when connected as SYSDBA

  8. history (command) - Wikipedia

    en.wikipedia.org/wiki/History_(command)

    The history command works with the command history list. When the command is issued with no options, it prints the history list. Users can supply options and arguments to the command to manipulate the display of the history list and its entries. The operation of the history command can also be influenced by a shell's environment variables. For ...

  9. Edgar F. Codd - Wikipedia

    en.wikipedia.org/wiki/Edgar_F._Codd

    Edgar Frank "Ted" Codd (19 August 1923 – 18 April 2003) was a British computer scientist who, while working for IBM, invented the relational model for database management, the theoretical basis for relational databases and relational database management systems.