The need to count distinct values is a common operation in today’s data analysis. Optimizing the processing time and resource consumption by orders of magnitude while providing almost exact results speeds up any existing processing and enables new levels of analytical insight. 这个功能对于如今的数据...
Founded in 2006, and based in Stamford, Conn., ISG employs more than 1,300 digital-ready professionals operating in more than 20 countries–a global team known for its innovative thinking, market influence, deep industry and technology expertise, and world-class research and analytical capabilities...
I know some systems allow them in the WHERE clause but you must be very careful in interpreting the result. WHERE COUNT(*) > 1 will absolutely NOT work in DB2 or ORACLE. Sybase and SQLServer is a different animal. Was this answer useful? Yes Replyveena Aug 23rd, 2006 The soln giv...
Founded in 2006, and based in Stamford, Conn., ISG employs more than 1,300 digital-ready professionals operating in more than 20 countries–a global team known for its innovative thinking, market influence, deep industry and technology expertise, and world-class research and analytical capabilities...
Founded in 2006, and based in Stamford, Conn., ISG employs more than 1,300 digital-ready professionals operating in more than 20 countries–a global team known for its innovative thinking, market influence, deep industry and technology expertise, and world-class research and analytical capabilities...
Founded in 2006, and based in Stamford, Conn., ISG employs more than 1,300 digital-ready professionals operating in more than 20 countries–a global team known for its innovative thinking, market influence, deep industry and technology expertise, and world-class research and analytical capabilities...
Founded in 2006, and based in Stamford, Conn., ISG employs more than 1,300 digital-ready professionals operating in more than 20 countries–a global team known for its innovative thinking, market influence, deep industry and technology expertise, and world-class research and analytical capabilities...