简体   繁体   English

将 Microsoft SQL Server 特定查询转换为 ORACLE 特定查询

[英]convert Microsoft SQL Server specific query to ORACLE specific query

Hi all I have the following query written for Microsoft SQL Server.大家好,我为 Microsoft SQL Server 编写了以下查询。 I need to convert this query to Oracle syntax.我需要将此查询转换为 Oracle 语法。 I do not have any knowledge in Oracle syntax.我对 Oracle 语法一无所知。 I need your help to make this query work on Oracle database.我需要你的帮助来使这个查询在 Oracle 数据库上工作。 I tried many ways but no data returned.我尝试了很多方法,但没有返回数据。

    SELECT SISPREV_student.Stu_Id, SISPREV_student.CwId,
 SISPREV_student.Sex, SISPREV_student.Nok_Name, SISPREV_student.Nok2_Name, 
              SISPREV_student.Birth_Dt,
 SISPREV_student.Currently_Enrolled, SISPREV_student.Stu_Athlete, SISPREV_student.LivingOnCampus, 
              SISPREV_student.ImmigrationStatus,
 SISPREV_student.ScholarStatus, SISPREV_student.Stu_FirstName, SISPREV_student.Stu_MiddleName,

              SISPREV_student.Stu_LastName, SISPREV_student.Ethnicity
FROM         SISPREV_address RIGHT OUTER JOIN
                      SISPREV_student ON SISPREV_address.StudentID =
 SISPREV_student.Stu_Id LEFT OUTER JOIN
                      SISPREV_email ON SISPREV_student.Stu_Id =
 SISPREV_email.StudentID LEFT OUTER JOIN
                      SISPREV_phone ON SISPREV_student.Stu_Id =
 SISPREV_phone.StudentID
WHERE ((SISPREV_student.Stu_Id LIKE '%' + '@StudentId' + '%') OR
 ('@StudentId' = '')) AND
      ((UPPER(SISPREV_student.Stu_FirstName) LIKE '%' +
 UPPER('@StudentFirstName') + '%') OR ('@StudentFirstName' = '')) AND
      ((UPPER(SISPREV_student.Stu_MiddleName) =
 UPPER('@StudentMiddleName')) OR ('@StudentMiddleName' = '')) AND
      ((UPPER(SISPREV_student.Stu_LastName) LIKE '%' +
 UPPER('@StudentLastName') + '%') OR ('@StudentLastName' = '')) AND
      ((UPPER(SISPREV_student.Nok_Name) LIKE '%' +
 UPPER('@StudentNextOfKinName') + '%') OR ('@StudentNextOfKinName' = '')) AND 
      ((UPPER(SISPREV_address.Street) LIKE '%' + UPPER('@StudentStreet') +
 '%') OR ('@StudentStreet' = '')) AND
      ((UPPER(SISPREV_address.City) LIKE '%' + UPPER('@StudentCity') +
 '%') OR ('@StudentCity' = '')) AND
      ((UPPER(SISPREV_address.State) LIKE '%' + UPPER('@StudentState') +
 '%') OR ('@StudentState' = '')) AND
      ((UPPER(SISPREV_address.ZipCode) LIKE '%' + '@StudentZipCode' + '%'
 ) OR ('@StudentZipCode' = '')) AND
      ((SISPREV_student.Birth_Dt = CONVERT(SMALLDATETIME,'@StudentBirthDay')) OR ('@StudentBirthDay' = '')) AND 
      ((SISPREV_phone.Phone = '@StudentPhoneNumber') OR
 ('@StudentPhoneNumber' = '')) AND
      ((UPPER(SISPREV_student.Sex) = UPPER('@StudentGender')) OR
 ('@StudentGender' = ''))
GROUP BY SISPREV_student.Stu_Id, SISPREV_student.CwId,
 SISPREV_student.Sex, SISPREV_student.Nok_Name, SISPREV_student.Nok2_Name, 
              SISPREV_student.Birth_Dt,
 SISPREV_student.Currently_Enrolled, SISPREV_student.Stu_Athlete, SISPREV_student.LivingOnCampus, 
              SISPREV_student.ImmigrationStatus,
 SISPREV_student.ScholarStatus, SISPREV_student.Stu_FirstName, SISPREV_student.Stu_MiddleName,

              SISPREV_student.Stu_LastName, SISPREV_student.Ethnicity

The following needs to change:需要更改以下内容:

((upper(sisprev_address.street) like '%' + upper('@StudentStreet') + '%')

In Oracle ||在 Oracle || is concatenation not +是串联不是 +

((upper(sisprev_address.street) like '%' || upper('@StudentStreet') || '%') or ('@StudentStreet' = ''))

If @StudentStreet comes from user input and can be empty you can check that in Oracle as如果@StudentStreet 来自用户输入并且可以为空,您可以在 Oracle 中将其检查为

or ('@StudentStreet' is null)

Date:日期:

convert(smalldatetime, '@StudentBirthDay')

Dependig on the way you receive the date string取决于您接收日期字符串的方式

to_date('@StudentBirthDay','some date format')

'some date format' ='DD-MM-YYYY' or whatever format you handle. 'some date format' ='DD-MM-YYYY' 或您处理的任何格式。 Look up Oracle data format strings.查找 Oracle 数据格式字符串。

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM