需要工會後MSSQL訂單行的次序由ASC的所有行,但最後兩行
select sno,measurement from measurementTable union all select '' as sno,avg(measurement) as
measurement from measurementTable union all select '' as sno,
max(measurement)-min(measurement) from measurementTable;
我需要在DataGrid的底部,以顯示平均有秩序的幫助,但爲了所有其他MSSQL Server錶行按升序SNO 我試圖通過工會之前,使用順序都找來錯誤
select sno,measurement from measurementTable order by sno asc union all select '' as sno,
avg(measurement) as measurement from measurementTable union all select '' as sno,
max(measurement)-min(measurement) from measurementTable;
Msg 156, Level 15, State 1, Line 1
Incorrect syntax near the keyword 'union'.
是有可能通過工會之前所有使用順序?
感謝您的回覆,但我只想爲表格值定購'sno',並在查詢輸出底部保留'avg(measurement)'和'max(measurement)-min(measurement)'。它需要sno爲0,並且它到達查詢輸出的頂部 – user2801828
@ user2801828 - 檢查更新後的代碼 –
嗨,感謝您的回覆,我需要將這些'0'隱藏在輸出中。可能嗎? – user2801828