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ru he shi yong SQL Server shu ju ku cha xun lei ji zhi

2008-10-30 08:14:22 编辑來源:互联网 评论
 
本文为【如何使用SQL Server数据库查询累计值】的拼音翻译版
  you zhe yang yi ge yao qiu , ta yao chuang jian yi ge SQL Server cha xun , qi zhong bao kuo ji yu shi jian shi ke de lei ji zhi 。 dian xing de li zi jiu shi yi ge yin xing zhang hu , yin wei ni mei yi ci dou shi zai bu tong de shi jian qu cun qian he qu qian 。 dui ren yi yi ge zhang hu lai shuo , zai mou ge shi jian dian dou yao suan chu ta de jie ( cun kuan ) he dai ( qu kuan ) zhi he 。 mei yi bi jiao yi zhi hou , ni dou xiang zhi dao dang qian de yu e 。 lie biao A chuang jian le zhe yang yi ge biao ge de jian dan de li zi 。
  CREATETABLE [dbo].[BankAccount]
  ([TransactionID] [int] IDENTITY(1,1)NOTNULL,
  [TransactionDateTime] [datetime] NOTNULLCONSTRAINT
  [DF_BankAccount_TransactionDateTime] DEFAULT(getdate()),
  [Amount] [money] NOTNULLCONSTRAINT [DF_BankAccount_Amount] DEFAULT((0)),
  [TransactionType] [char](1)COLLATE SQL_Latin1_General_CP1_CI_AS NOTNULL,
  [AccountNumber] [varchar](50)COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
  CONSTRAINT [PK_BankAccount] PRIMARYKEYCLUSTERED
  (
   [TransactionID] ASC
  )WITH(PAD_INDEX =OFF, IGNORE_DUP_KEY =OFF)ON [PRIMARY]
  )ON [PRIMARY]
  lie biao A
  xia mian shi yi xie shi li xing :
  1 2006-11-03 02:33:42.34010000.00
  2 2006-11-03 02:34:50.467-500.00
  3 2006-11-03 02:35:04.857250.00
  4 2006-11-03 02:42:19.763-124.25
  yin wei ri qi shi que sheng she ding de , ni yao zuo de jiu shi jia ru yi xie jin e 。 li zi zhong wei le jian dan qi jian , jia she zhi you yi ge yin xing zhang hu ( wei le geng fu he shi ji qing kuang , ke yi tian jia yi ge BankAccountNumber lie )。
  xian zai ni jiu neng gou chuang jian yi ge bao kuo le dang qian yu e de cha xun 。 yin wei ni yi jing zai tong yi lie zhong yong zheng fu shu zhi ji lu le cun kuan he qu kuan zhi , suo yi lie zhong de lei ji zhi shi hen rong yi suan chu de 。 ni yao de dao dang qian de yu e , jiu yao ji suan chu yi qian suo you jiao yi de zong zhi , ran hou jiang zhe ge zhi he dang qian de jiao yi xiang jia 。 lie biao B zhong de cha xun shi xian le zhe yi dian 。
  SELECT
  transactionid,
  transactiondatetime,
  amount,
  (SELECT SUM(amount)
  FROM dbo.bankaccount as D1
  WHERE D1.transactiondatetime <= D0.transactiondatetime) AS balance
  FROM dbo.bankaccount AS D0
  lie biao B
  zhe yang jiu de dao le yi xia de jie guo ji :
  1 2006-11-03 02:33:42.34010000.00 10000.00
  2 2006-11-03 02:34:50.467-500.00 9500.00
  3 2006-11-03 02:35:04.857250.00 9750.00
  4 2006-11-03 02:42:19.763-124.25 9625.75
  ru zhe ge li zi suo shi , zhi yao ni li jie le yao qiu , jiu ke yi hen rong yi di jian li lei ji zhi 。 suo shi de li zi jia she biao ge zhong zhi bao kuo yi ge zhang hu , dan shi yao chu li duo ge zhang hu ye hen jian dan 。 tian jia yi ge BankAccountNumber lie he yi ge zhi ding li xi shu liang de WHERE wei ci ji ke 。
  ni ye ke yi ba zhe ge li zi dao guo lai yong , ru zai yi ge cun huo ji suan zhong chuang jian yi ge bu tong de yun xing 。 ni cong cun huo 1,000 kai shi , ran hou jian qu ge zhong hua xiao he shou ju 。
  zhe yang de cha xun you liang ge you dian :
  ● ni bu xu yao chu cun jie guo 。 dang yong zhang hu bian hao huo wai jian cao zuo shi , zhi xing ke yi ru shan dian ban xun su 。
  ● ni yi yi ge biao qian jie shu shi wu , ta ke yi zhu xing jin xing jian cha 。 ru guo chu xian wen ti de hua , ni ke yi jiang dao zhi wen ti chu xian de shi wu ge li 。【原文】【汉音对照
 
 
 
 
 
 
 
 
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you zhe yang yi ge yao qiu , ta yao chuang jian yi ge SQL Server cha xun , qi zhong bao kuo ji yu shi jian shi ke de lei ji zhi 。 dian xing de li zi jiu shi yi ge yin xing zhang hu , yin wei ni mei yi ci dou shi zai bu tong de shi jian qu cun qian he qu qian 。 dui ren yi yi ge zhang hu lai shuo , zai mou ge shi jian dian dou yao suan chu ta de jie ( cun kuan ) he dai ( qu kuan ) zhi he 。 mei yi bi jiao yi zhi hou , ni dou xiang zhi dao dang qian de yu e 。 lie biao A chuang jian le zhe yang yi ge biao ge de jian dan de li zi 。 CREATETABLE [dbo].[BankAccount] ([TransactionID] [int] IDENTITY(1,1)NOTNULL, [TransactionDateTime] [datetime] NOTNULLCONSTRAINT [DF_BankAccount_TransactionDateTime] DEFAULT(getdate()), [Amount] [money] NOTNULLCONSTRAINT [DF_BankAccount_Amount] DEFAULT((0)), [TransactionType] [char](1)COLLATE SQL_Latin1_General_CP1_CI_AS NOTNULL, [AccountNumber] [varchar](50)COLLATE SQL_Latin1_General_CP1_CI_AS NULL, CONSTRAINT [PK_BankAccount] PRIMARYKEYCLUSTERED ( [TransactionID] ASC )WITH(PAD_INDEX =OFF, IGNORE_DUP_KEY =OFF)ON [PRIMARY] )ON [PRIMARY] lie biao A xia mian shi yi xie shi li xing : 1 2006-11-03 02:33:42.34010000.00 2 2006-11-03 02:34:50.467-500.00 3 2006-11-03 02:35:04.857250.00 4 2006-11-03 02:42:19.763-124.25 yin wei ri qi shi que sheng she ding de , ni yao zuo de jiu shi jia ru yi xie jin e 。 li zi zhong wei le jian dan qi jian , jia she zhi you yi ge yin xing zhang hu ( wei le geng fu he shi ji qing kuang , ke yi tian jia yi ge BankAccountNumber lie )。 xian zai ni jiu neng gou chuang jian yi ge bao kuo le dang qian yu e de cha xun 。 yin wei ni yi jing zai tong yi lie zhong yong zheng fu shu zhi ji lu le cun kuan he qu kuan zhi , suo yi lie zhong de lei ji zhi shi hen rong yi suan chu de 。 ni yao de dao dang qian de yu e , jiu yao ji suan chu yi qian suo you jiao yi de zong zhi , ran hou jiang zhe ge zhi he dang qian de jiao yi xiang jia 。 lie biao B zhong de cha xun shi xian le zhe yi dian 。 SELECT transactionid, transactiondatetime, amount, (SELECT SUM(amount) FROM dbo.bankaccount as D1 WHERE D1.transactiondatetime <= D0.transactiondatetime) AS balance FROM dbo.bankaccount AS D0 lie biao B zhe yang jiu de dao le yi xia de jie guo ji : 1 2006-11-03 02:33:42.34010000.00 10000.00 2 2006-11-03 02:34:50.467-500.00 9500.00 3 2006-11-03 02:35:04.857250.00 9750.00 4 2006-11-03 02:42:19.763-124.25 9625.75 ru zhe ge li zi suo shi , zhi yao ni li jie le yao qiu , jiu ke yi hen rong yi di jian li lei ji zhi 。 suo shi de li zi jia she biao ge zhong zhi bao kuo yi ge zhang hu , dan shi yao chu li duo ge zhang hu ye hen jian dan 。 tian jia yi ge BankAccountNumber lie he yi ge zhi ding li xi shu liang de WHERE wei ci ji ke 。 ni ye ke yi ba zhe ge li zi dao guo lai yong , ru zai yi ge cun huo ji suan zhong chuang jian yi ge bu tong de yun xing 。 ni cong cun huo 1,000 kai shi , ran hou jian qu ge zhong hua xiao he shou ju 。 zhe yang de cha xun you liang ge you dian : ● ni bu xu yao chu cun jie guo 。 dang yong zhang hu bian hao huo wai jian cao zuo shi , zhi xing ke yi ru shan dian ban xun su 。 ● ni yi yi ge biao qian jie shu shi wu , ta ke yi zhu xing jin xing jian cha 。 ru guo chu xian wen ti de hua , ni ke yi jiang dao zhi wen ti chu xian de shi wu ge li 。
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