我正在使用下面的SQL查詢,我只想得到列「上次更新日期」大於或等於01/01/2016的記錄。基本上只有在2016年的記錄。當我使用下面的查詢,我沒有得到任何錯誤,但我仍然得到每個日期不只是2016年。我的語法有什麼問題嗎?SQL - 大於日期查詢不起作用
SELECT
NPI,
[Entity Type Code],
[Replacement NPI],
[Employer Identification Number (EIN)],
[Provider Organization Name (Legal Business Name)],
[Provider Last Name (Legal Name)],
[Provider First Name],
[Provider Middle Name],
[Provider Name Prefix Text],
[Provider Name Suffix Text],
[Provider Credential Text],
[Provider Other Organization Name],
[Provider Other Organization Name Type Code],
[Provider Other Last Name],
[Provider Other First Name],
[Provider Other Middle Name],
[Provider Other Name Prefix Text],
[Provider Other Name Suffix Text],
[Provider Other Credential Text],
[Provider Other Last Name Type Code],
[Provider First Line Business Mailing Address],
[Provider Second Line Business Mailing Address],
[Provider Business Mailing Address City Name],
[Provider Business Mailing Address State Name],
[Provider Business Mailing Address Postal Code],
[Provider Business Mailing Address Country Code (If outside U S)],
[Provider Business Mailing Address Telephone Number],
[Provider Business Mailing Address Fax Number],
[Provider First Line Business Practice Location Address],
[Provider Second Line Business Practice Location Address],
[Provider Business Practice Location Address City Name],
[Provider Business Practice Location Address State Name],
[Provider Business Practice Location Address Postal Code],
[Provider Business Practice Location Address Country Code (If outside U S)],
[Provider Business Practice Location Address Telephone Number],
[Provider Business Practice Location Address Fax Number],
[Provider Enumeration Date],
[Last Update Date]
FROM Data
WHERE ([Healthcare Provider Taxonomy Code_1] IN ('122300000X', '1223G0001X'))
AND ([Last Update Date] >= '01/01/2016')
什麼數據類型是你的'上次更新日期'列? –
它是一個varchar(200) – user1342164
這是你的問題,你可能需要投它們,所以他們都擁有相同的形式的信息。您可以嘗試將它們投射到DATE – antorqs