sqlserver 刪除表中 指定字符串

源表T

"單據編號"              　"航班計划日期"        "航班號"          "起飛航站代碼"          "降落航站代碼"
"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"

目標表T：

單據編號                     航班計划日期           航班號              起飛航站代碼             降落航站代碼
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語句：

--如果數據庫中存在 表T，則刪除表T
if not object_id(N'T') is null
    drop table T
Go
--新建表T
Create table T(["單據編號"] nvarchar(33),["航班計划日期"] nvarchar(31),["航班號"] nvarchar(28),["起飛航站代碼"] nvarchar(25),["降落航站代碼"] nvarchar(25))
SELECT * FROM dbo.T
--新增數據
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中數據：將數據中 雙隱號 刪除
UPDATE  T
SET     ["單據編號"] = REPLACE(["單據編號"], '"', '') ,
        ["航班計划日期"] = REPLACE(["航班計划日期"], '"', ''),
        ["航班號"] = REPLACE(["航班號"], '"', ''),
        ["起飛航站代碼"] = REPLACE(["起飛航站代碼"], '"', ''),
        ["降落航站代碼"] = REPLACE(["降落航站代碼"], '"', '')
SELECT * FROM dbo.T
--更新表T中頭字段：將頭字段中 雙隱號 刪除
EXEC sp_rename 'T.["單據編號"]','單據編號'
EXEC sp_rename 'T.["航班計划日期"]','航班計划日期'
EXEC sp_rename 'T.["航班號"]','航班號'
EXEC sp_rename 'T.["起飛航站代碼"]','起飛航站代碼'
EXEC sp_rename 'T.["降落航站代碼"]','降落航站代碼'
SELECT * FROM dbo.T
--刪除表T中數據
delete from T
SELECT * FROM dbo.T

執行結果：

sqlserver》單擊數據庫》新建查詢(N)》復制SQL語句到空白處》 ！執行(X)

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