How to select N records in a select in Oracle plSQL? [closed]

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I have 3 tbs, I do the following get the id of tb1 in common with tb2 and tb3 (id), then compare if field 1 of tb1 (LENGTH) is greater than field 1 of t2, in tbs 1 and 2 there are several ids of tb3, (it is necessary to go through tbs 2 and 3 all doing this comparison) as are many records takes a lot, so I would like a select bringing just a few ids to do little ..

    
asked by anonymous 08.08.2018 / 21:18

1 answer

1

This? 

select id from tabela a, tabela b where id=id fetch first 5 rows only
    
08.08.2018 / 21:24
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