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  2. Select (SQL) - Wikipedia

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

    Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form:

  3. Pivot table - Wikipedia

    en.wikipedia.org/wiki/Pivot_table

    Row labels are used to apply a filter to one or more rows that have to be shown in the pivot table. For instance, if the "Salesperson" field is dragged on this area then the other output table constructed will have values from the column "Salesperson", i.e., one will have a number of rows equal to the number of "Sales Person". There will also ...

  4. Relational database - Wikipedia

    en.wikipedia.org/wiki/Relational_database

    A relational database (RDB [1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [2]A Relational Database Management System (RDBMS) is a type of database management system that stores data in a structured format using rows and columns.

  5. SQL Server Reporting Services - Wikipedia

    en.wikipedia.org/wiki/SQL_Server_Reporting_Services

    SQL Server Reporting Services (SSRS) is a server-based report generating software system from Microsoft. It is part of a suite of Microsoft SQL Server services, including SSAS ( SQL Server Analysis Services ) and SSIS ( SQL Server Integration Services ).

  6. Microsoft SQL Server - Wikipedia

    en.wikipedia.org/wiki/Microsoft_SQL_Server

    Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft.As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).

  7. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    CELL – Haansoft(Hancom) SpreadSheet software document; CSV – Comma-Separated Values; GSHEET – Google Drive Spreadsheet; numbers – An Apple Numbers Spreadsheet file; gnumeric – Gnumeric spreadsheet, a gziped XML file; LCW – Lucid 3-D; ODS – OpenDocument spreadsheet; OTS – OpenDocument spreadsheet template; QPW – Quattro Pro ...

  8. Join (SQL) - Wikipedia

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

    This means that if the ON clause matches 0 (zero) rows in B (for a given row in A), the join will still return a row in the result (for that row)—but with NULL in each column from B. A left outer join returns all the values from an inner join plus all values in the left table that do not match to the right table, including rows with NULL ...

  9. Column (database) - Wikipedia

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

    The terms row and column come from the more theoretical study of relational theory. Another distinction between the terms 'column' and 'field' is that the term 'column' does not apply to certain databases, for instance key-value stores , that do not conform to the traditional relational database structure.