sqlserver 删除表中 指定字符串

源表T

"单据编号"              　"航班计划日期"        "航班号"          "起飞航站代码"          "降落航站代码"
"C-026413700"      "2013-2-11"           "CA1231"        "PEK"                        "XIY"
"C-026413699"      "2013-2-11"           "CA1231"        "PEK"                        "XIY"
"C-026413698"      "2013-2-11"           "CA1231"        "PEK"                        "XIY"
"C-026413697"      "2013-2-11"           "CA1231"        "PEK"                        "XIY"
"C-026413696"      "2013-2-11"           "CA1231"        "PEK"                        "XIY"

目标表T：

单据编号                     航班计划日期           航班号              起飞航站代码             降落航站代码
C-026413700            2013-2-11            CA1231              PEK                           XIY
C-026413699            2013-2-11            CA1231              PEK                           XIY
C-026413698            2013-2-11            CA1231              PEK                           XIY
C-026413697            2013-2-11            CA1231              PEK                           XIY
C-026413696            2013-2-11            CA1231              PEK                           XIY

SQL语句：

 --如果数据库中存在 表T，则删除表T
 if not object_id(N'T') is null
     drop table T
 Go
 --新建表T
 Create table T(["单据编号"] nvarchar(33),["航班计划日期"] nvarchar(31),["航班号"] nvarchar(28),["起飞航站代码"] nvarchar(25),["降落航站代码"] nvarchar(25))
 SELECT * FROM dbo.T
 --新增数据
 Insert T
 select N'"C-026413700"',N'"2013-2-11"',N'"CA1231"',N'"PEK"',N'"XIY"' union all
 select N'"C-026413699"',N'"2013-2-11"',N'"CA1231"',N'"PEK"',N'"XIY"' union all
 select N'"C-026413698"',N'"2013-2-11"',N'"CA1231"',N'"PEK"',N'"XIY"' union all
 select N'"C-026413697"',N'"2013-2-11"',N'"CA1231"',N'"PEK"',N'"XIY"' union all
 select N'"C-026413696"',N'"2013-2-11"',N'"CA1231"',N'"PEK"',N'"XIY"'
 Go
 SELECT * FROM dbo.T
 --更新表T中数据：将数据中 双隐号 删除
 UPDATE  T
 SET     ["单据编号"] = REPLACE(["单据编号"], '"', '') ,
         ["航班计划日期"] = REPLACE(["航班计划日期"], '"', ''),
         ["航班号"] = REPLACE(["航班号"], '"', ''),
         ["起飞航站代码"] = REPLACE(["起飞航站代码"], '"', ''),
         ["降落航站代码"] = REPLACE(["降落航站代码"], '"', '')
 SELECT * FROM dbo.T
 --更新表T中头字段：将头字段中 双隐号 删除
 EXEC sp_rename 'T.["单据编号"]','单据编号'
 EXEC sp_rename 'T.["航班计划日期"]','航班计划日期'
 EXEC sp_rename 'T.["航班号"]','航班号'
 EXEC sp_rename 'T.["起飞航站代码"]','起飞航站代码'
 EXEC sp_rename 'T.["降落航站代码"]','降落航站代码'
 SELECT * FROM dbo.T
 --删除表T中数据
 delete from T
 SELECT * FROM dbo.T

执行结果：

sqlserver》单击数据库》新建查询(N)》复制SQL语句到空白处》 ！执行(X)

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