Joins in cds views

Take two tables 

1) zajay_stu

        



2) zajay_stu1

                        



Apply inner join

 @AbapCatalog.sqlViewName: 'ZST_INNER'

@AbapCatalog.compiler.compareFilter: true

@AbapCatalog.preserveKey: true

@AccessControl.authorizationCheck: #NOT_REQUIRED

@EndUserText.label: 'student innerjoin'

define view zast_inner as select from zajay_stu as a

inner join zajay_stu1 as b

on a.zst_id = b.zst_id

{

key a.zst_id as ZstId,

a.zst_name as ZstName,

a.zst_dept as ZstDept,

a.zst_fee as ZstFee,

b.zst_fn as ZstFn,

b.zst_ln as ZstLn

}


output

      



Apply Left outer join


@AbapCatalog.sqlViewName: 'ZST_INNER'

@AbapCatalog.compiler.compareFilter: true

@AbapCatalog.preserveKey: true

@AccessControl.authorizationCheck: #NOT_REQUIRED

@EndUserText.label: 'student innerjoin'

define view zast_inner as select from zajay_stu as a

left outer join zajay_stu1 as b

on a.zst_id = b.zst_id

{

key a.zst_id as ZstId,

a.zst_name as ZstName,

a.zst_dept as ZstDept,

a.zst_fee as ZstFee,

b.zst_fn as ZstFn,

b.zst_ln as ZstLn

}


output:


          




Right outer join


@AbapCatalog.sqlViewName: 'ZST_INNER'

@AbapCatalog.compiler.compareFilter: true

@AbapCatalog.preserveKey: true

@AccessControl.authorizationCheck: #NOT_REQUIRED

@EndUserText.label: 'student innerjoin'

define view zast_inner as select from zajay_stu as a

right outer join zajay_stu1 as b

on a.zst_id = b.zst_id

{

key a.zst_id as ZstId,

a.zst_name as ZstName,

a.zst_dept as ZstDept,

a.zst_fee as ZstFee,

b.zst_fn as ZstFn,

b.zst_ln as ZstLn

}


output:






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