Answer / guest

[select single xxx from...] means we are choosinf=g
aparticular field which we want to show on the particular page
at teh run time.
And the [select * from ....up to row] means to select all the
fields placed in that particular row. And remember one thing
that a row may be one but number of coloumns can lie inside
it.

Answer / harsha

upto one row is faster than select * from
select single xxx from xxx into wa xx = xxx-xx means it will check all the fields and finally gives a first possible record in the selected group of record
select * from xxx in wa where xx-xxx upto one row means it retrieves only first possible record of table satisfying th condition.
please revert me if any issues with this answer. i dunno weather its ryt r rong.

Answer / ravikanth

@ Harsha

Ur presentation is a bit confusing to understand.
2nd answer is good to refer.

Answer / abaprajaram

Select Single will be pick up first row as per the key
where as in the One row where will keep the index specific
key areas we can use
Select * from up to one row

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