SQL语法取数计算和汇总
SELECT vertn AS vbeln, SUM( CASE shkzg WHEN 'S' THEN - dmbtr WHEN 'H' THEN dmbtr END ) AS dmbtr FROM bseg WHERE vertn IN&n...
SELECT vertn AS vbeln, SUM( CASE shkzg WHEN 'S' THEN - dmbtr WHEN 'H' THEN dmbtr END ) AS dmbtr FROM bseg WHERE vertn IN&n...