SELECT price * number #列1乘以列2 AS usdt #別名FROM order_btccoin #表名WHERE buy_uid = 13307325 255.0046567135846 #條件 加就加,乘就乘,減就減 ------------- 如果要統計查出的值 ...
select prod.amount,prod.plansum, prod.plansum prod.amount as borrow,d.enum value from 結果集相減 select t.Quo Prod List Price t.QUO PROD VOLUME as amount , 列值相乘 t.quo prod plan cost t.quo prod volume as pl ...
2015-05-27 18:51 0 10793 推薦指數:
SELECT price * number #列1乘以列2 AS usdt #別名FROM order_btccoin #表名WHERE buy_uid = 13307325 255.0046567135846 #條件 加就加,乘就乘,減就減 ------------- 如果要統計查出的值 ...
SELECT * FROM (SELECT ROWNUM ro, TCQBM,grbh,xm,zjlx,zjhm,xzlxdm,rycbztdm,cbksrq,cbzzrq,tcqmc FROM c ...
第一種: select sum(decode(count1,null,0,count1) +decode(count2,null,0,count2) +decode(count3,null,0 ...
使用sum(字段) select sum(字段) from 表 where 條件 ...
使用截取 substr(列/值,截取開始下標(從0開始,和從1開始都行),截取位數) SELECT * FROM d504 WHERE years = '2019' and substr(D504_14,0,4) <> '6205' and substr(area_code ...
最近在學習的過程中,發現一個挺有意思的函數,它可實現對列值的拼接。下面我們來看看其具體用法。 用法: 對其作用,官方文檔的解釋如下: For a specified measure, LISTAGG orders data within each group specified ...
SELECT * FROM USER01 WHERE LENGTH(USER0101) > 14; ...
測試數據: create table Salary ( UserId int, [Month] int, Salary decimal(13,2) ) insert into Salary ...