SQLRollingStats

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SQLRollingStats extends the T-SQL scripting environment with 31 windowed or cumulative functions (in which results for each row depend on previous rows) that can be used as regular functions in queries.

This allows metrics such as running totals or moving averages to be easily calculated within simple queries - something that has hitherto been a significant challenge in SQL Server.

All the functions support windowing (such that only values from the last n rows are included in the input set - where n is the window size), cumulative operation (where all prior values are counted), and tiling (so the accumulation is restarted for each distinct value of a given column).

Functions include:

- Sum, product, maximum, minimum, range, mid-range, first (in sequence), nth previous.

- Average (mean), variance (sample & population), standard deviation (sample & population).

- Geometric mean, harmonic mean, quadratic mean.

- Median, quartile, inter-quartile range, tri-mean, percentile, percentile rank.

- Exponential average (mean), exponential variance, exponential standard deviation.

- Weighted average, weighted variance (sample & population), weighted standard deviation (sample & population), weighted power mean.

Free download from Shareware Connection - CLR-based function library for SQL Server that adds 31 windowed / cumulative functions that can be used directly in queries.

Publisher: TotallySQL Ltd | License: Shareware | Price: 199
Version: 1.0.0.0 | Size: 522 KB | Platform: WinXP,WinVista,WinVista x64,Win7 x32,Win7 x64,WinServer
Released Date: 03-05-2011 | Rating: 0 | Title: SQLRollingStats

Author Url: http://www.totallysql.com
Program Info Url: http://www.totallysql.com/Products/SQLRollingStats
Download Url: http://www.totallysql.com/Download/SQLRollingStats.zip

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More downloads from SQLRollingStats publisher TotallySQL Ltd:

SQLFinancials - CLR-based financial functions library for MS SQL Server that adds spreadsheet-like financial analysis capabilities at the database layer

SQLStatistics - CLR-based library of statistical functions for use in SQL Server T-SQL scripts and stored procedures. Includes tests for correlation & significance, descriptive metrics (e.g. weighted average, skewness, kurtosis), extrapolations etc.

SQLEngineering - CLR-based function library for SQL Server including special Engineering functions, unit conversions, number base conversions and a full complex numbers math library.

SQLUtilities - CLR-based function library for SQL Server that adds a variety of useful text, date/time and numeric processing capabilities including date/time & number sequence generators, random numbers, random dates, regular expressions.

Assembly Manager - Graphical overview of CLR assemblies, functions, stored procedures etc. across servers and databases. Drag/drop installation/removal. Generates full change/rollback scripts.

All software of TotallySQL Ltd.

SQLRollingStats keywords:

sql running total, sql rolling average, sql moving average

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