需要将Sybase查询转换为SQL Server 2012

Question

SELECT     
         gasqlty_cylinder.qualification_date,   
         gas_qlty_cylinder.location_id,   
         gas_qlty_lab.lab_desc,   
         gas_qlty_cylinder.start_date,   
         gas_qlty_cylinder.end_date,   
         analysis_data.date_set,   
         analysis_data.date_removed,   
         analysis_data.btu,   
         analysis_data.spec_gvty,   
         gas_qlty_cylinder.remarks,   
         gas_qlty_cylinder.mcsusr_id,   
         gas_qlty_cylinder.trans_timestamp  
FROM     gasqltycylinder,   
         analysisdata ,  
         gasqltylocation,   
         gasqltylab  
WHERE    ( gas_qlty_cylinder.cylinder_id *= analysis_data.`cylinder_id` ) and  
         ( gas_qlty_location.location_id = gas_qlty_cylinder.location_id ) and
         ( gas_qlty_location.lab_id = gas_qlty_lab.lab_id ) and  
         ( analysis_data.analyzed_time =* ( select max(analyzed_time) from analysis_data 
    where gas_qlty_cylinder.cylinder_id = analysis_data.cylinder_id and
    ))   
Order by cylinder_id

Answer 1

* =和= *样式联接为deprecated since SQL Server 2008和discontinued in SQL Server 2012。

重写您的查询，* =是LEFT OUTER JOIN和= * RIGHT OUTER JOIN。一些快速指南，其中包含MS的示例：link。

此外，从查询中删除`符号。