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  2. Telecommunication transaction processing systems - Wikipedia

    en.wikipedia.org/wiki/Telecommunication...

    Some TPS providers have the ability of integrating with Microsoft Excel, giving information to the user in a spreadsheet, from where Excel Pivoting can be used to summarize and present the data. Most BI-Tools have functionality to schedule reports which can send reports via e-mail or even SMS to configured users, ensuring timely availability of ...

  3. Pivot table - Wikipedia

    en.wikipedia.org/wiki/Pivot_table

    Pivot tables are not created automatically. For example, in Microsoft Excel one must first select the entire data in the original table and then go to the Insert tab and select "Pivot Table" (or "Pivot Chart"). The user then has the option of either inserting the pivot table into an existing sheet or creating a new sheet to house the pivot table.

  4. Essbase - Wikipedia

    en.wikipedia.org/wiki/Essbase

    Indeed, the patent covering (now expired) Essbase uses spreadsheets as a motivating example to illustrate the need for such a system. [7] In this context, "multi-dimensional" refers to the representation of financial data in spreadsheet format. A typical spreadsheet may display time intervals along column headings, and account names on row ...

  5. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...

  6. Star schema - Wikipedia

    en.wikipedia.org/wiki/Star_schema

    Snapshot fact tables record facts at a given point in time (e.g., account details at month end) Accumulating snapshot tables record aggregate facts at a given point in time (e.g., total month-to-date sales for a product) Fact tables are generally assigned a surrogate key to ensure each row can be uniquely identified. This key is a simple ...

  7. Online analytical processing - Wikipedia

    en.wikipedia.org/wiki/Online_analytical_processing

    OLAP clients include many spreadsheet programs like Excel, web application, SQL, dashboard tools, etc. Many clients support interactive data exploration where users select dimensions and measures of interest. Some dimensions are used as filters (for slicing and dicing the data) while others are selected as the axes of a pivot table or pivot chart.

  8. Microsoft Access - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Access

    Regardless, SQL Server is still the easiest migration. Retrieving data from linked tables is optimized to just the records needed, but this scenario may operate less efficiently than what would otherwise be optimal for SQL Server. For example, in instances where multi-table joins still require copying the whole table across the network.

  9. Palm OS - Wikipedia

    en.wikipedia.org/wiki/Palm_OS

    Appointments can recur in a specified number of days, weeks, months or years and can contain notes. Expense tracks common business expenses. No totals are calculated on the Palm. The user must sync with a host computer and view the expense data in a worksheet (templates for Microsoft Excel are supplied). HotSync. HotSync integrates with the ...