Differences between single select &select up to 1 in SAP ABAP.

Differences between single select &select up to 1 rows:- 

 Select single

 Select up to 1 rows 

1. It always retrieves only one record 

at a time.

2. Here we must pass entire primary 

key combination in the where 

condition.

3. This is used to retrieve particular 

record.

Syntax:-

1. It always retrieves only one 

record.

2. Enough to pass a part of key 

combination in the where condition. 

It always picks the first record 

among the matched records.

3. This is used for validation.